OpenTechnical

OT-2026-000098991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098991) never changes.

Identity and time

Publication numberOT-2026-000098991 · never reused
Internal UUID01a0aea2-8287-7820-a557-f51f2b5a5b19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098991
StatusPUBLIC

Content hashes

Canonical text1ebc84ff9699581c301eb394a0fed5c8bad72c8dc881f76bffe878f4ddf06773
Markdownd6cc85bcd3b324b072755281d1b6941ab116e86dcaeef2eda441e700f8791227
PDF
Publication page564fd52abaf4280982ef9a911079944a25c1ddbd2807899a71d0e00679a3888d
Manifestfeb7318cf93d37d28ecf98c69d608606dd66f2a8144041453702f562d911283c

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
SignatureGigLTuAh4ABuStnwPfHyXBvOgysxwcPRWgz4ThuOc01UuY+D+OD94nSAdAj2nZw4B/E+EkMN75JPLpuTKFMyAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:04.322721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098991
observed 564fd52abaf4280982ef9a911079944a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.305241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098991/manifest.json
observed feb7318cf93d37d28ecf98c69d608606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.287629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098991/publication.md
observed d6cc85bcd3b324b072755281d1b6941a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.269048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098991/publication.txt
observed 1ebc84ff9699581c301eb394a0fed5c8...
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.