OT-2026-000021544
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000021544) never changes.
Identity and time
| Publication number | OT-2026-000021544 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7d57-bda7-be964480a149 · 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-2026-000021544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 093b3f72bc3bc8979bafdf69abd3d137fb1f39c388665b64a4f2262ff4d1aff9 |
|---|---|
| Markdown | 00f1c5cb0dc9d68a34eab60bf4eeb50156996978caf8a339489e0836736f63f7 |
| Publication page | 1a443f6c4733bbacc256f63183f04773dacdbef101dce16994c1a572f1837500 |
| Manifest | 69a2412c86ed16f67453ed73093a7deabd663d66273c957c5d5dbf10f3bc446d |
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 | 8nOmgY8PL/118lBwnYxqBbx7h9rmL0JjLHQF2Mq4Gd6BzF2tZE/FVc/OqUHxioMGJNZxwFs4bzEYOi8U8fuGCw== |
| 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
| 2026-09-17T11:55:27.903236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021544observed 1a443f6c4733bbacc256f63183f04773...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:27.885786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021544/manifest.jsonobserved 69a2412c86ed16f67453ed73093a7dea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.865232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021544/publication.mdobserved 00f1c5cb0dc9d68a34eab60bf4eeb501...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.845475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021544/publication.txtobserved 093b3f72bc3bc8979bafdf69abd3d137...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. |
|---|