OT-2026-000056272
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off after set-down, on a tool changer
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-2026-000056272) never changes.
Identity and time
| Publication number | OT-2026-000056272 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-784d-b403-3f078c78237c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056272 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1bfa66b617a845eca5a263567d5b587bd602b54e6edc98d013f27ff4fcffa8d |
|---|---|
| Markdown | c082a3b0bcd26ee38b3764195bc0947dfa99fdafc3326fe8725972a627437dfe |
| Publication page | bf7cb2e99940eea034cd5a25de7c0d63b65e3a3297d3b5f9ece4f9f448e1054a |
| Manifest | c4f83414996770cb8ae533cbbecae559ba1e4e2e7386261fc2b1cf06409041a2 |
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 | Ur7K/bJw9pZo+Or2ncMWjBgVCtwVVMu9ZOtz6w3IaBjS0ExhyyZw7NvAY61xy9TBEIox5k1rlmJWQr10/PTIAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:45.525908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056272observed bf7cb2e99940eea034cd5a25de7c0d63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:45.509920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056272/manifest.jsonobserved c4f83414996770cb8ae533cbbecae559...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:45.477345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056272/publication.mdobserved c082a3b0bcd26ee38b3764195bc0947d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:45.442658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056272/publication.txtobserved b1bfa66b617a845eca5a263567d5b587...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. |
|---|