OT-2026-000004951
Publication integrity record
Bellows cup vacuum gripper, three zone face, 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-2026-000004951) never changes.
Identity and time
| Publication number | OT-2026-000004951 · never reused |
|---|---|
| Internal UUID | 01a0a928-eb05-791e-a080-88fe47e114b5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:26.248600Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004951 |
| Status | PUBLIC |
Content hashes
| Canonical text | f551243bb6d63bee8f925e2ee2793e0a8d6f2cf6b770e9734c3253769dac0d40 |
|---|---|
| Markdown | ca00b51e0dfd9feb56e91d965245439c5e41b3233fcbac70fbc4c8f53c51b371 |
| Publication page | 34251d133728673104b3dfd7fe620743d01314554554a069cfddb1146ca4fd7a |
| Manifest | 2d57b138750faa9bf0e831c1f3123d5f6b0d0b11be54930997f1743bdfdca782 |
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 | IA5ziCyBKldOCCfqxcd4qKVLyvSNXlfPtuWmxbD5gYi+IdCLiDRb/2WFV42thd0AulmHP0H/o0d3SxavmsxRCg== |
| 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
| 2026-09-16T07:50:31.724871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004951observed 34251d133728673104b3dfd7fe620743...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.713224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004951/manifest.jsonobserved 2d57b138750faa9bf0e831c1f3123d5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.700882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004951/publication.mdobserved ca00b51e0dfd9feb56e91d965245439c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.686953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004951/publication.txtobserved f551243bb6d63bee8f925e2ee2793e0a...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. |
|---|