OT-2026-000021815
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down
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-2026-000021815) never changes.
Identity and time
| Publication number | OT-2026-000021815 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7274-b363-a62147a9b7e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021815 |
| Status | PUBLIC |
Content hashes
| Canonical text | bab70d7bb483d1dbb622e42ed9872af5a9bfcce6dd7345cfb53cc663439f7a3b |
|---|---|
| Markdown | eec91a0ca6ebc77749a5c3590951891fa767131056ae5865396e4d4754dc4c34 |
| Publication page | b12f3fd92b41a5c08422d06f1871a294916ae9cbda70b1d289e46891256bcfb0 |
| Manifest | 4737879d462e9d91f18a9b5f75036659469ae9eaca45895dda583b4d88455f79 |
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 | Mni9i/NDP6nER8/Ffm2z17Y4rRQfmCw+K/6fbofMSo28pHe7JjbKNPiXBjbjtvufrghO9AlxrMeaRduX+oE+BA== |
| 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
| 2026-09-17T11:54:22.144694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021815observed b12f3fd92b41a5c08422d06f1871a294...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:22.125812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021815/manifest.jsonobserved 4737879d462e9d91f18a9b5f75036659...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.108881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021815/publication.mdobserved eec91a0ca6ebc77749a5c3590951891f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.092224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021815/publication.txtobserved bab70d7bb483d1dbb622e42ed9872af5...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. |
|---|