OT-2026-000050734
Publication integrity record
Foam pad vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000050734) never changes.
Identity and time
| Publication number | OT-2026-000050734 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-73b5-a32a-b4fe970e33a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050734 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c6baa84696016ed83e3e0960c3b28ee5d63f26f0a4f5d5dbc26772fdc25d191 |
|---|---|
| Markdown | 9b75b75e84f489f0b5e87856f7c2e43844c77f382b3728d80ad72be5598dea09 |
| Publication page | 225121ef21aacfc779a0e4d7055193da4dbb9843b21901a5bbc1480d299fd7c7 |
| Manifest | 62d6411e8264c496cf724e5a1567747b50fdb2c0a9a9153ea3934a70f31dd899 |
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 | MjfBt9tq9Lnq9oYG75lgamELaFJC4qnZ9soYh8N0Ce79qq9aM0/nEDHxaI4jESjtbLh7PVDaOiDR7SibfwsXCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:00:06.324937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734observed 225121ef21aacfc779a0e4d7055193da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:00:06.301186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734/manifest.jsonobserved 62d6411e8264c496cf724e5a1567747b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:06.277023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734/publication.mdobserved 9b75b75e84f489f0b5e87856f7c2e438...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:06.273501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734observed 225121ef21aacfc779a0e4d7055193da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:06.254812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734/publication.txtobserved 0c6baa84696016ed83e3e0960c3b28ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:06.250633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734/manifest.jsonobserved 62d6411e8264c496cf724e5a1567747b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:06.221023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734/publication.mdobserved 9b75b75e84f489f0b5e87856f7c2e438...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:06.197029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050734/publication.txtobserved 0c6baa84696016ed83e3e0960c3b28ee...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 |
|---|