OT-2026-000028657
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000028657) never changes.
Identity and time
| Publication number | OT-2026-000028657 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7dac-8cd0-72e072ed4e70 · 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-2026-000028657 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b62f79bf6a42ae4af2cee4412af908f9ceb84a2d23df1d8e0b3ab1a4343634b |
|---|---|
| Markdown | b5caa22d34493c080ea8ee10e7668048050fc7a77efae799b7983dae206e306d |
| Publication page | 820e789aeab66a7913ef3dc494cf81ec0fe1bb2956081ab4c2b268615e8ddfd5 |
| Manifest | 2ec53dacffb07b2852082781867f85c50900c4841fd06e1810829ad9eddb9f58 |
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 | kn/drId7P2Yrq8kz4qGWUDe25DQCZr1yC9QDt9E55j5IdA4txXDJrjVTW8iWOOL7qoooK6JssA230tDbehnAAw== |
| 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
| 2026-09-17T11:41:32.124140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028657observed 820e789aeab66a7913ef3dc494cf81ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:32.105879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028657/manifest.jsonobserved 2ec53dacffb07b2852082781867f85c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:32.086405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028657/publication.mdobserved b5caa22d34493c080ea8ee10e7668048...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:32.068144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028657/publication.txtobserved 7b62f79bf6a42ae4af2cee4412af908f...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. |
|---|