OT-2026-000028471
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off 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-2026-000028471) never changes.
Identity and time
| Publication number | OT-2026-000028471 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7a32-a7d0-ab29b60dcb60 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028471 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5acfd80a6bb0069b75f4db5687ace1a78e27160e5912a666feab84fe978bac50 |
|---|---|
| Markdown | bd80fba74bf5232599921ba33be00f5a3ac8ea64b997b3eb9a962663d2c2ef7f |
| Publication page | 205e328343138a543527fe8342c5e29bdf7a448cf611d12264f29728825d9b32 |
| Manifest | 8dc8dfa50e271ccdcd105b96e585401c46437e65b4cfd8d8f49d81a554eddcb5 |
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 | aCulNF4rF8HsFtP20s1DVm33CCiXkdDwgvNl02VTxcgHTMIUSOjYog4wf2cSLOZFXJnDQd3SJ7LG+N/5TsnzBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:36.965678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028471observed 205e328343138a543527fe8342c5e29b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:36.948241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028471/manifest.jsonobserved 8dc8dfa50e271ccdcd105b96e585401c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.899247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028471/publication.mdobserved bd80fba74bf5232599921ba33be00f5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.881380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028471/publication.txtobserved 5acfd80a6bb0069b75f4db5687ace1a7...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. |
|---|