OpenTechnical

OT-2026-000085746

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000085746) never changes.

Identity and time

Publication numberOT-2026-000085746 · never reused
Internal UUID01a0ae99-aaae-72fc-a964-03a5fbab756a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085746
StatusPUBLIC

Content hashes

Canonical text1d33a74f17b0161651e6a78277d6c8eb66f3ba5d368c2e69a22f320a3277df2c
Markdown18fd46ad9970764225257929396048794d518166fe827b8ed983a2fecf733104
PDF
Publication page12ed68adba9dafe0bc4ce222e55222efd8e0af6b1e130d4ef1996ef92414ef0a
Manifest64ea89f13b1d1f9e93a16597fea153a29b71d54cbcf5a27b792f4842690d922c

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
Signature/u6lvcN1/ZevqW+iC9mvqgwUfhi6YvAcLPnuKqMeNzh7TX/aOHJ0UGiomvhL8eXtW5jjSjrr/3owXet1JoUnDg==
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

2026-09-17T09:54:39.763210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085746
observed 12ed68adba9dafe0bc4ce222e55222ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.744511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085746/manifest.json
observed 64ea89f13b1d1f9e93a16597fea153a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.726814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085746/publication.md
observed 18fd46ad997076422525792939604879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.708572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085746/publication.txt
observed 1d33a74f17b0161651e6a78277d6c8eb...
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.