OT-2026-000054435
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054435) never changes.
Identity and time
| Publication number | OT-2026-000054435 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1282-70fc-8479-8228baa17da7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054435 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2490f8bd43d3f315b2c0e2c13310c98ee0926f737421e2573ec3d4f0f21e0b78 |
|---|---|
| Markdown | 1fcf92e6fd6f138d3af544b82feb0327ef111f410c33ba41c0e359ab5c9e7608 |
| Publication page | c44894d7a7f328990af7f055da054bf5dc99ad3ecd53e43a49a72d1f264a6dda |
| Manifest | 25ef08901911a1daeb1fdf90e5f7ebf0c09191ddb5aa9548314d30796a98af9f |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | PIqnWhf9tNMfvk60h6CxyoQN/kH63ImacdEV9YUYMKJ3hmm07ll/jgFcQbY/dIVLeSIcxpe9dWe+omUCXgC8Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-08T08:41:37.877764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435observed c44894d7a7f328990af7f055da054bf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T08:41:37.796496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435/manifest.jsonobserved 25ef08901911a1daeb1fdf90e5f7ebf0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:37.707574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435/publication.mdobserved 1fcf92e6fd6f138d3af544b82feb0327...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:37.516352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435/publication.txtobserved 2490f8bd43d3f315b2c0e2c13310c98e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:25.141519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435observed c44894d7a7f328990af7f055da054bf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:25.122972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435/manifest.jsonobserved 25ef08901911a1daeb1fdf90e5f7ebf0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:25.103442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435/publication.mdobserved 1fcf92e6fd6f138d3af544b82feb0327...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:25.085889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054435/publication.txtobserved 2490f8bd43d3f315b2c0e2c13310c98e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|