OT-2026-000021633
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off before set-down
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-2026-000021633) never changes.
Identity and time
| Publication number | OT-2026-000021633 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-77c2-bed3-e23b076cac00 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021633 |
| Status | PUBLIC |
Content hashes
| Canonical text | 555d607c644db6802c10dc7cc4b6b7a10aff761f2b7957c486286d6e5c331890 |
|---|---|
| Markdown | a28fa1c2430a7b47a6369ba6a3808461c881716d86af0ef54d052b9fd110610a |
| Publication page | 0a9a5a5df07b87732964e2cba19d44531af615137f5092855c38d115b0d02fe5 |
| Manifest | 84cd95e7681d67085fd75ab23189f1e50f90237830aadd10d88d6aea2dc4425a |
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 | NFVC8JEWxjYYPYP3IwVKhNZA/FnR5uDdOXYjhISNPF71A6YiM1FS1/6Zv7f5HJs/phXLnHuZKB07zqW47dwlBg== |
| 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
| 2026-09-17T11:54:05.063424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021633observed 0a9a5a5df07b87732964e2cba19d4453...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:05.047187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021633/manifest.jsonobserved 84cd95e7681d67085fd75ab23189f1e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:05.029963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021633/publication.mdobserved a28fa1c2430a7b47a6369ba6a3808461...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.986335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021633/publication.txtobserved 555d607c644db6802c10dc7cc4b6b7a1...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. |
|---|