OpenTechnical

OT-2026-000077275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000077275) never changes.

Identity and time

Publication numberOT-2026-000077275 · never reused
Internal UUID01a0ae94-f508-78b4-9744-d86f1b111fee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077275
StatusPUBLIC

Content hashes

Canonical texteb0883c887e661bf84a6a865afe06d4aacb4b135a6abbe3b8ec5cefe9d1bc528
Markdown855e7c3a7c096d27dea7c316eb36d115db5ea50a2693eea2d3b2376845bdfd28
PDF
Publication page1b0c52d10e8d3a3b84b6af6424f0eb29f55cef1387f98e3db94bb5fab47ae11d
Manifesta0fb073e5ef973c578e8823459ff986c7e5140fbd5843619e9b31b63478cb332

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureugLffyqHXI5/lv0EjzyoqJ5XoT1CykrEph6Mkq+BVWhRbbh9nXeuHwv02dKkHuSjFB/rRn7EsLL2lnnC6pxlDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:08:54.395189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077275
observed 1b0c52d10e8d3a3b84b6af6424f0eb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.376086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077275/manifest.json
observed a0fb073e5ef973c578e8823459ff986c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.356922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077275/publication.md
observed 855e7c3a7c096d27dea7c316eb36d115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.338573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077275/publication.txt
observed eb0883c887e661bf84a6a865afe06d4a...
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 archivePending 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 packagePending Custody packages are produced weekly.