OT-2026-000004291
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, ejector fed, polyurethane cups, oval form
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-2026-000004291) never changes.
Identity and time
| Publication number | OT-2026-000004291 · never reused |
|---|---|
| Internal UUID | 01a0a913-4273-7fbd-b408-28f71e6bfddc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:46.838161Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004291 |
| Status | PUBLIC |
Content hashes
| Canonical text | 283511ce813f453cbcd1137986ae70074fcdaf58929c36c2f14f590824694f8a |
|---|---|
| Markdown | 9c04e114695b34ae480e8a3cf93359ce75b5b7e77a13431cad055951b52a605e |
| Publication page | 7a01be295744b3db4e0761a71c422f42d170df82f8e3146ca481bf289c63a083 |
| Manifest | c05fd0ffea20894776940613e0c18f49c6d821185de96a34b5177231338b289c |
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 | ZZvFXW3uQPM6Ss9nhtrorqNn17CvPFIZpLCTHkKW+n/U+n7i0rlZ7kEc4btiRnbcM2OXK/P1i/68Yld9PSvtBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:14.471013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004291observed 7a01be295744b3db4e0761a71c422f42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:14.456763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004291/manifest.jsonobserved c05fd0ffea20894776940613e0c18f49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.443865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004291/publication.mdobserved 9c04e114695b34ae480e8a3cf93359ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:14.429563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004291/publication.txtobserved 283511ce813f453cbcd1137986ae7007...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. |
|---|