OT-2026-000055453
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, supply line 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-2026-000055453) never changes.
Identity and time
| Publication number | OT-2026-000055453 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-75f4-ae29-1936a4305036 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055453 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8782fd79dc6c5f80b611b73d52629154490f2b39d823c22b4a267e5da82d2e30 |
|---|---|
| Markdown | a566fb928349a6926627b049f5ff4642efbbea842827965880bc71546a3ccd94 |
| Publication page | 07009d1b5aa3b59efd7fd660487139c54397c47dabc88bc145ac9deaacd55037 |
| Manifest | 0a473744a65d537395922ae7199298244db211e27f637687f4a0735bea0e88fa |
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 | 7MgyKnjKCM9Uy+5/woOYuyUN0ixAqieTeTOVq8um4R07aN+9SJLcnzXE2BxDtyw/2xn4cBZrxmk0Z9K91W98Aw== |
| 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
| 2026-09-17T10:52:06.477804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055453observed 07009d1b5aa3b59efd7fd660487139c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:06.460509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055453/manifest.jsonobserved 0a473744a65d537395922ae719929824...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:06.441697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055453/publication.mdobserved a566fb928349a6926627b049f5ff4642...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:06.423526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055453/publication.txtobserved 8782fd79dc6c5f80b611b73d52629154...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. |
|---|