OT-2026-000021402
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000021402) never changes.
Identity and time
| Publication number | OT-2026-000021402 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7070-acd0-6088919b6052 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021402 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e7198c739a95e86e7a64b361c5b88185c9bdb30033df2aea2046f8aa5ee899c |
|---|---|
| Markdown | ae942bbe3fe288ef0bc4193ce898f4952543ac727112421862aea7ccc564ea5e |
| Publication page | 6457b0fa61a13e83565547bd743bbb7619bb38354c3f5f34346bc9f5f8ebae14 |
| Manifest | 1e1d5d16946a3cc460989edb9d0bb99fa734485d497e1ae3e6e0d2a08d08d190 |
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 | 7+r4Byh+EnIUTN36uD+7N9pnaAsqVm9nCUT7q6C52OoWvjantQ5gaeHCnwlAaMof2KdrICXVVzJESxpyKk+BCQ== |
| 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
| 2026-09-17T11:55:17.731483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021402observed 6457b0fa61a13e83565547bd743bbb76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:17.705736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021402/manifest.jsonobserved 1e1d5d16946a3cc460989edb9d0bb99f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.680240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021402/publication.mdobserved ae942bbe3fe288ef0bc4193ce898f495...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.656801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021402/publication.txtobserved 0e7198c739a95e86e7a64b361c5b8818...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. |
|---|