OT-2026-000050754
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two 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-2026-000050754) never changes.
Identity and time
| Publication number | OT-2026-000050754 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-7fe0-a40f-b68be18646e7 · 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-2026-000050754 |
| Status | PUBLIC |
Content hashes
| Canonical text | 03e244cfb68203c8c64faef4102de9fe64426eae6eccd8b9f9cd9db086c69881 |
|---|---|
| Markdown | b4b935bbbf1b928c89f0b24df8eceeab903e29a753a5b0218d11abf7104bf613 |
| Publication page | 3ad363024abea665d3c5a6ff7169c2237839fdb220c0a3ecc4020b7473b4f32e |
| Manifest | f96ff74f5648c0dd758320a5d16753a117a765eec88300506e1513fdee7487a5 |
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 | eFR0fkhGvJUSapPOmuSrqLnqTjjB9YTyXrCuVer6/2rxHh+BMNuzuhLeTUB97+JbhQxvSn4sjHYbpJCkFpcbBQ== |
| 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
| 2026-09-17T11:00:08.346999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754observed 3ad363024abea665d3c5a6ff7169c223...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:00:08.326751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754/manifest.jsonobserved f96ff74f5648c0dd758320a5d16753a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.321726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754observed 3ad363024abea665d3c5a6ff7169c223...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.288357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754/manifest.jsonobserved f96ff74f5648c0dd758320a5d16753a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.285436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754/publication.mdobserved b4b935bbbf1b928c89f0b24df8eceeab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.254696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754/publication.txtobserved 03e244cfb68203c8c64faef4102de9fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.251320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754/publication.mdobserved b4b935bbbf1b928c89f0b24df8eceeab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:08.225883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050754/publication.txtobserved 03e244cfb68203c8c64faef4102de9fe...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
| Custody package | Pending Custody packages are produced weekly. |
|---|