OpenTechnical

OT-2026-000097733

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000097733) never changes.

Identity and time

Publication numberOT-2026-000097733 · never reused
Internal UUID01a0aea1-92f5-7ca5-b807-e82560197cdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097733
StatusPUBLIC

Content hashes

Canonical text35397d364bf221efb74b37c4fe9fcb33cccdeb707d3a472359579e56ac25220a
Markdown49de4e3c6dd3dfded6781990579279db11dc99597c0c412ff685d98ec56b74be
PDF
Publication page65e62e9cacb80bfcd85acc9c1f00c89a97e3f78fab85e1597572f92d5f78e5a7
Manifest790063fbf657408cd2f98b48228c029f72a42cd4b36d609cd056b742405c6bb2

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
SignatureEy7gB8kHe2DFGqdwaX3m+u8pYiD9V+s01OJ20FjYqk/Beg4v2vHLvAqI0avaCs+KBL2bDBZlvtYey0NLcReYCQ==
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

2026-09-17T09:32:46.486980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097733
observed 65e62e9cacb80bfcd85acc9c1f00c89a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.462575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097733/manifest.json
observed 790063fbf657408cd2f98b48228c029f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.357922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097733/publication.md
observed 49de4e3c6dd3dfded6781990579279db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.250852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097733/publication.txt
observed 35397d364bf221efb74b37c4fe9fcb33...
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.