OT-2026-000021479
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000021479) never changes.
Identity and time
| Publication number | OT-2026-000021479 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-78c5-bb5a-02a7aec24f77 · 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-2026-000021479 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca306e66d58690cd473813dc0d516d0f8c95c7ef248865629418f02342f73932 |
|---|---|
| Markdown | dc333fd7301bcc99ce1b531d775210c5bd19ca7a0a45df6c9d8f9b77581a273c |
| Publication page | 149c4f44af1795cb03a32ee3adb37cf91337a12ca3e357d7864195122bca68c6 |
| Manifest | 8e6eee05b3414b365ec328a31f3a7672416429238b71182b7e484e6d60589065 |
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 | 2bFo6Jghzqdqz1a436Y9ZinrE0qqxSMoyXAJv5AXM7OcFQTdCnOM4RESvdtDsn1EnTU20UooxkaamqfWX2WQBg== |
| 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
| 2026-09-17T11:55:23.598478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021479observed 149c4f44af1795cb03a32ee3adb37cf9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:23.580713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021479/manifest.jsonobserved 8e6eee05b3414b365ec328a31f3a7672...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.562423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021479/publication.mdobserved dc333fd7301bcc99ce1b531d775210c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.544985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021479/publication.txtobserved ca306e66d58690cd473813dc0d516d0f...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. |
|---|