OpenTechnical

OT-2026-000089181

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089181) never changes.

Identity and time

Publication numberOT-2026-000089181 · never reused
Internal UUID01a0ae9b-db00-749a-8d18-24ceb435c573 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089181
StatusPUBLIC

Content hashes

Canonical text81e06b0eb3d4e9dc62e5dc9c436759393ad0e51a9cb4aaa79a07e4c7863d47ba
Markdownee7aa1e7b0da95965441b77c0badf4c338c0ec107f602a7acc8757a71b9882f8
PDF
Publication page9709a6c1a30aed252c273e5fe35853dcd4fa4d677c775d35893f9812ce8ba125
Manifest0e086e09fd02b1699aa40a38cff16631dc469adb567c668b338a28f1daafe96c

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
SignatureQdHDhRRek0tr4Jl71VHHD2nFuX8YqLrnAKFQt13hZnWdjxlFrR730OATE9+ppQ6cUsOQDNqvUb9UOPcNDwsyAQ==
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

2026-09-17T09:47:11.675975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089181
observed 9709a6c1a30aed252c273e5fe35853dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.660120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089181/manifest.json
observed 0e086e09fd02b1699aa40a38cff16631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.642590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089181/publication.md
observed ee7aa1e7b0da95965441b77c0badf4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.625396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089181/publication.txt
observed 81e06b0eb3d4e9dc62e5dc9c43675939...
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.