OT-2026-000050297
Publication integrity record
Single cup vacuum gripper, single stage ejector, 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-2026-000050297) never changes.
Identity and time
| Publication number | OT-2026-000050297 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c46-7358-9175-bfbd79ddc6cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050297 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47c35bf90fb9ac6b5f129a69711281c2fd1173491c8d525b5e0eb8fa78877eb4 |
|---|---|
| Markdown | 6edc09a72efa5433520c2ba58d4aca76f448e5eae7843749d4a072519de63a57 |
| Publication page | d9bdb5741499594b682548041d0e572bea6c80d287908be867fe4f3e7198bdae |
| Manifest | 34a2dfe4d03637634e9d5515caac32c27c1c8bf4ba7ba99f443b6a986b2953e1 |
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 | 6PboJNp7xxgIHkmUM4IfwcXFs8LfRBttIrQJkaKrCQTYF+X8AXc/wqmqrvxGP5AYf7TBASqVYgc+EXVRZAbVAw== |
| 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
| 2026-09-18T04:23:25.770773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297observed d9bdb5741499594b682548041d0e572b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-18T04:23:25.753217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297/manifest.jsonobserved 34a2dfe4d03637634e9d5515caac32c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:25.735623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297/publication.mdobserved 6edc09a72efa5433520c2ba58d4aca76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:25.693989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297/publication.txtobserved 47c35bf90fb9ac6b5f129a69711281c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:18.258768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297observed d9bdb5741499594b682548041d0e572b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:18.240879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297/manifest.jsonobserved 34a2dfe4d03637634e9d5515caac32c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:18.222731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297/publication.mdobserved 6edc09a72efa5433520c2ba58d4aca76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:18.206053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050297/publication.txtobserved 47c35bf90fb9ac6b5f129a69711281c2...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|