OT-2026-000052309
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-2026-000052309) never changes.
Identity and time
| Publication number | OT-2026-000052309 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-7cb0-986a-65c90769fe80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052309 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf7e9875769f9c95ba1397a59d3b4d192fc0d30f7719dd3775e699cd56bb0935 |
|---|---|
| Markdown | 2b276b69b2c9c7dcbbd88688950507c82d76cd529aa5430a28a75abc142b9da6 |
| Publication page | e2b89869389755af13395e32bcc7b7e6187021133859a247aa673fa3a082d5d3 |
| Manifest | 2efe4dc14b7d06a75896f38b00ed831b1b33f1125c98126bcb242598411d6503 |
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 | jb9kr5DD1GAWurMdSjSGByIY83KByWyvL/JuI/wCE8jfRcNpMz62HmfFtVUzm3KNaNEV2xe+ajfF6vW8RehvDg== |
| 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
| 2026-09-17T10:57:59.613084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052309observed e2b89869389755af13395e32bcc7b7e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:59.595091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052309/manifest.jsonobserved 2efe4dc14b7d06a75896f38b00ed831b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:59.578004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052309/publication.mdobserved 2b276b69b2c9c7dcbbd88688950507c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:59.559685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052309/publication.txtobserved bf7e9875769f9c95ba1397a59d3b4d19...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. |
|---|