OT-2026-000004929
Publication integrity record
Three finger mechanical gripper, pump fed, stripped from the face, pneumatic drive
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-2026-000004929) never changes.
Identity and time
| Publication number | OT-2026-000004929 · never reused |
|---|---|
| Internal UUID | 01a0a928-246e-74d7-81f7-f6b06c68797a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:35.410443Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004929 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0920cb5f306e0250bd3efb6085a475c6c2bdbae6e627be0480395b10f55ad1a |
|---|---|
| Markdown | 6f941881b3dcaec20022afb346c8d3b51a7538b1a912bf413b9363daeb65f1c0 |
| Publication page | 7ef854d267fca823b3564a40f5c3e266d9f6edef9a422cefd65acd6d2202883b |
| Manifest | 0743b0bc1d997f9e0394134c6e407913a91c7399ff8f90d9dbb59634d8325d80 |
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 | FMSyjj6liL2UwC9vXbMxyPwG8YD8ISEjJLRykdXf4Rm5rnPwE7NKzMV7hMSSvdnp2yQRUtfVy4BB4hgS6WnKAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-18T04:23:34.532493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929observed 7ef854d267fca823b3564a40f5c3e266...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-18T04:23:34.518840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929/manifest.jsonobserved 0743b0bc1d997f9e0394134c6e407913...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:34.504012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929/publication.mdobserved 6f941881b3dcaec20022afb346c8d3b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:34.354128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929/publication.txtobserved c0920cb5f306e0250bd3efb6085a475c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:53.430149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929observed 7ef854d267fca823b3564a40f5c3e266...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:53.290283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929/manifest.jsonobserved 0743b0bc1d997f9e0394134c6e407913...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:53.068608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929/publication.mdobserved 6f941881b3dcaec20022afb346c8d3b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:52.927609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004929/publication.txtobserved c0920cb5f306e0250bd3efb6085a475c...fetched by grabo-systems from 34.44.131.203, 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 |
|---|