OT-2026-000004643
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure verified
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-2026-000004643) never changes.
Identity and time
| Publication number | OT-2026-000004643 · never reused |
|---|---|
| Internal UUID | 01a0a91e-a5ba-7c9c-8df5-a1730e120eac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:13.148901Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 731c70f8146a6d1cf206e82469483fad23bb7a0ab9310fc5b664665ed0058b5a |
|---|---|
| Markdown | 468ce4227b1e52bee582837528d409a2b474836739c748d1ddd3814110bd2f04 |
| Publication page | a1f0e13d8a9fc3bfc3c24e6828c0d3ab19b37d4dfa720d3028523d0a5435f8e2 |
| Manifest | a167b1d4c13e41073d1d896fffb9d3af1ceefe437bca046966fd38c4737f617c |
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 | 3TqIcIHDtJnH4E4Igk3gUZvC5xscv4OhSMEB5pxjRpXqIqthEqD1yYLqqfR519WBoE2osfqziXxhkXdl6BYHCw== |
| 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
| 2026-09-16T07:30:05.654783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004643observed a1f0e13d8a9fc3bfc3c24e6828c0d3ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:05.642870Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004643/manifest.jsonobserved a167b1d4c13e41073d1d896fffb9d3af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:05.628435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004643/publication.mdobserved 468ce4227b1e52bee582837528d409a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:05.492842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004643/publication.txtobserved 731c70f8146a6d1cf206e82469483fad...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. |
|---|