OpenTechnical

OT-2026-000008905

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000008905) never changes.

Identity and time

Publication numberOT-2026-000008905 · never reused
Internal UUID01a0ae6b-31b7-758e-b4ed-dfea6bfcb180 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008905
StatusPUBLIC

Content hashes

Canonical text9ee1cfe966c400d7afebc7f9271c634270347d20c63e93d88ae16812fe055261
Markdowncde8b8ccac94da16d5e9739a75a390d30c59809444de535ee60acde602db7bd4
PDF
Publication pagec80f7f93dc47236aa70c0b6ef38bbefe79a60f9a7067ac83ccd2c25078f85d9e
Manifestfaa2a38be74243a7accfea4d23b252f50d81b80d324aca3e45a3641b2487ebc3

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
SignatureCkVqzLPQnrME5LNK/Yr3Azh3+WuwVKjMhEQ09joOUHYxBCvH8I1i45ZNaz7YTpKEeWngT6RWjL7Bd6gGkRIvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:30.438865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008905
observed c80f7f93dc47236aa70c0b6ef38bbefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.417680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008905/manifest.json
observed faa2a38be74243a7accfea4d23b252f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.400881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008905/publication.md
observed cde8b8ccac94da16d5e9739a75a390d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.383615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008905/publication.txt
observed 9ee1cfe966c400d7afebc7f9271c6342...
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.