OT-2026-000056581
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000056581) never changes.
Identity and time
| Publication number | OT-2026-000056581 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-74a5-8e5e-328c2da7bd93 · 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-2026-000056581 |
| Status | PUBLIC |
Content hashes
| Canonical text | 162e224aeda5cf1f6d76851a475006ca80357d7fb93b5120b2bca92170ee7992 |
|---|---|
| Markdown | 40346e998c2842de98897014f0236ba0e75f850a61c4861cfe77f6df88783361 |
| Publication page | cd1ea2892c2d4910591e23197cdede3c69bb9d8f699e0f331a9078a94771d95d |
| Manifest | 7820e12cb713dad90c83f67ee96cf54b3e4068fce6317d06cff6368dadd58ff8 |
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 | hbBI41CMJBbPESQHJuf5ZR8fgTsZvv4xWW1AY9SUs3M5/TQ5MWhb+YJwsfY7+FRVE+nQ8UMYmNPRfmc3/006DA== |
| 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
| 2026-09-17T10:49:55.433645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056581observed cd1ea2892c2d4910591e23197cdede3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:49:55.415558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056581/manifest.jsonobserved 7820e12cb713dad90c83f67ee96cf54b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:55.397927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056581/publication.mdobserved 40346e998c2842de98897014f0236ba0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:49:55.378041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056581/publication.txtobserved 162e224aeda5cf1f6d76851a475006ca...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. |
|---|