OpenTechnical

OT-2026-000044151

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000044151) never changes.

Identity and time

Publication numberOT-2026-000044151 · never reused
Internal UUID01a0ae7b-d67b-7def-8721-291366c74f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044151
StatusPUBLIC

Content hashes

Canonical textc3503a71b486d43c62c38a1677679096b5cd9b7e225c66c87c7f0367d79c0744
Markdown8d9e8424a67c99f55c692bdd03a1fa8df473c687fa062ea0be133d9e0747a6cb
PDF
Publication page91299e02a71e7eb7fc086c80c8873b5a759836ddebaf532af16ee794f35239a0
Manifest5ebd513dd1722f78e749aefc897c976c0be26f882f93c0a4a2ff0c79032a5c23

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
SignatureZNASr1envQ2KgySoguZNTUzuVnmUsDjMa0ORtP1D9ykKsdApMLpshLOT00VU0+/09xbsQF3kliRX1qyAqkcuDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:34.584248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044151
observed 91299e02a71e7eb7fc086c80c8873b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.565308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044151/manifest.json
observed 5ebd513dd1722f78e749aefc897c976c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.545177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044151/publication.md
observed 8d9e8424a67c99f55c692bdd03a1fa8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.511078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044151/publication.txt
observed c3503a71b486d43c62c38a1677679096...
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.