OT-2026-000056748
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000056748) never changes.
Identity and time
| Publication number | OT-2026-000056748 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af6-742e-85f7-3be1eaab20a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056748 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f05715e3c73d298b6d2ac58dc5f0c999ba749bd6b20dde6eee60f005fd2ebf5 |
|---|---|
| Markdown | 721bb47ef7ad3ff26a7001b2e4785f4c8eb5861901862a25c90c2b58b416e1eb |
| Publication page | 7a52bd00316cc123adf91097d6b250d80cdd507310b96ef5d0055233567723d4 |
| Manifest | d6f2a6c95f06cea35b3073c1a2e4f3ccba18ad0a1e254c9de49c55868bcdcf2a |
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 | 4bw+CJgF+jWGxI0rm9n69ZXYgoe2snZEpG5N4njJFBt/Oq2mo1WF3tcMe4Z358FY8O9Ylknj2AK2eSJ31jnMCg== |
| 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
| 2026-09-17T10:50:11.373899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056748observed 7a52bd00316cc123adf91097d6b250d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:11.354338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056748/manifest.jsonobserved d6f2a6c95f06cea35b3073c1a2e4f3cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:11.334931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056748/publication.mdobserved 721bb47ef7ad3ff26a7001b2e4785f4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:11.316709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056748/publication.txtobserved 5f05715e3c73d298b6d2ac58dc5f0c99...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. |
|---|