OpenTechnical

OT-2026-000032345

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000032345) never changes.

Identity and time

Publication numberOT-2026-000032345 · never reused
Internal UUID01a0ae75-106e-70aa-ad9e-3bce55dc3962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032345
StatusPUBLIC

Content hashes

Canonical text0a7a136a6d201e87b2a2e262ac4f6f7c49f6084e2b7e6fd168532cb8433fe7c9
Markdownf6307c7e813818539b0b855cfb731d167724c080a5b7eef7b9489cba670d7b0d
PDF
Publication page6669854c4f97c10fa234fcfcc7febadd5dd62e97320aed62001168dd217f92a7
Manifestdaf0313844c60034caa07d68c1b4abde7ad21698d12d780e80fedf6789ecac5d

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
Signatureua+/fCV3L34tgQs/X8LT+gbcu6lhPsBoZLyQ8qeTD4rkVJG0FErCQ1B6hZtsoQkrKWpmiyDITIiooi/0NTERAw==
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

2026-09-17T11:33:42.984112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032345
observed 6669854c4f97c10fa234fcfcc7febadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.965544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032345/manifest.json
observed daf0313844c60034caa07d68c1b4abde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.947540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032345/publication.md
observed f6307c7e813818539b0b855cfb731d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:42.929294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032345/publication.txt
observed 0a7a136a6d201e87b2a2e262ac4f6f7c...
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.