OT-2026-000054821
Publication integrity record
Four cup vacuum gripper, four 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-2026-000054821) never changes.
Identity and time
| Publication number | OT-2026-000054821 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1285-7cf0-8970-34112fa4f6d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054821 |
| Status | PUBLIC |
Content hashes
| Canonical text | c277b6e9208e3400d7e7438aedd282d855b3ffac9ec290d8182cd09aa07a494d |
|---|---|
| Markdown | 63f6c9f1bc069204e8ddffac6c0ae65d57975754e91ef6cb3fbc1f98907be270 |
| Publication page | ec48d108931f1ab5b4bb8ed6c9036f9cb331fe0be7b7cc20043e0ecf3d88a7c4 |
| Manifest | 2bc8b9c6fdcf0a527cf2a9d74308ec5c42efbb6f124a62937e66b424637640b8 |
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 | pV6jKetk76R5stKLhP1RnXYNZ06uZb+flgP4ikLPzasdwi+yAfA7pbfXC1HfNMIlXDg6Ez+9ymD8yquvJO+CDA== |
| 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
| 2026-09-17T10:54:01.806587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054821observed ec48d108931f1ab5b4bb8ed6c9036f9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:01.787772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054821/manifest.jsonobserved 2bc8b9c6fdcf0a527cf2a9d74308ec5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:01.770824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054821/publication.mdobserved 63f6c9f1bc069204e8ddffac6c0ae65d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:01.751809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054821/publication.txtobserved c277b6e9208e3400d7e7438aedd282d8...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. |
|---|