OT-2026-000004800
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, three stage ejector, pressure verified at each zone
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-2026-000004800) never changes.
Identity and time
| Publication number | OT-2026-000004800 · never reused |
|---|---|
| Internal UUID | 01a0a923-be65-7e22-83dc-a214e9430fea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:47.143941Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004800 |
| Status | PUBLIC |
Content hashes
| Canonical text | 117b9e4e966ec047989eb2116acb934923af6a2f1619b9d12fe3c0a8bf5ef127 |
|---|---|
| Markdown | 9b485f4727af17e4a41f25523f3f8784622f810bef048a89c442758159020c25 |
| Publication page | b94442e3944105632e13410e3d523fa7e834902152ba0e43d8ece0a528492267 |
| Manifest | 2388bc6ac162802edc4a168a337fee9bee141bbf09089fef7a9dec93467b8ef3 |
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 | z4+ZxPh3Vs+ZdpZuWHR7xw+ugInm0CCrBnk1XRpEO4Dm44w+mA0UviK3ZkTjsS2cN++BPG7fAUOLnlJaFMHHAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:17.687035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004800observed b94442e3944105632e13410e3d523fa7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:17.674778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004800/manifest.jsonobserved 2388bc6ac162802edc4a168a337fee9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.659007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004800/publication.mdobserved 9b485f4727af17e4a41f25523f3f8784...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.644648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004800/publication.txtobserved 117b9e4e966ec047989eb2116acb9349...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. |
|---|