OpenTechnical

OT-2026-000102000

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed 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-2026-000102000) never changes.

Identity and time

Publication numberOT-2026-000102000 · never reused
Internal UUID01a0aea4-50f1-74b5-b38b-c2d886a83d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102000
StatusPUBLIC

Content hashes

Canonical text714c64cb0d311c71999dc5dc0542a7f00cef328b7945081c36b824e42db6aedf
Markdowndfa3d383c7d0430f790f0b2b609d101c59fd8c04da16e4ad0522338f43f90ff3
PDF
Publication pagec04ee0abe50c63448e127422297aa56190781b11994a5f4fbe6b25594cb99860
Manifest802a729ba008295ae32a76c85e561d6beeb145e039dccb19845835f4ea10f971

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
SignatureCCPiibd5uHr+tbcqDkArFHcWw6zI8lSp+mLGp660zBEU24QDzAHEV1eSIY0vvgXk5s9dMe3M7KHpqRjNnLdgDw==
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

2026-09-17T09:25:07.590351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102000
observed c04ee0abe50c63448e127422297aa561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.571861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102000/manifest.json
observed 802a729ba008295ae32a76c85e561d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.553911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102000/publication.md
observed dfa3d383c7d0430f790f0b2b609d101c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.534443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102000/publication.txt
observed 714c64cb0d311c71999dc5dc0542a7f0...
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.