OpenTechnical

OT-2026-000041495

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000041495) never changes.

Identity and time

Publication numberOT-2026-000041495 · never reused
Internal UUID01a0ae79-b145-798e-a006-b0df31fa1558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041495
StatusPUBLIC

Content hashes

Canonical text092ed27904d6a3c30d1ab4b2e482ce5e240f38e447ac35d248b98f924ad08092
Markdown616acca62c7feadfaeb05c2bf7aa6320bd10e3d8ebc0839906e41b383908aaf8
PDF
Publication page432b03a687e260ff6865d549f1bc53f3a84f16ca67eb7efe277fedf89202dd5b
Manifeste597d4b664c19d4b42d63209bf5a813cf2ee431e06e69d8cd2040484af45d416

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
SignatureBTqaTo3nwcPkj5ag823zkNVKstbCR3m+nTlXbUp3luB7xahfCKSnPisilP1uYiXLnbbzybu3PuqT78A3h/w7AQ==
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

2026-09-17T11:17:31.845700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041495
observed 432b03a687e260ff6865d549f1bc53f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.828337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041495/manifest.json
observed e597d4b664c19d4b42d63209bf5a813c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.810470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041495/publication.md
observed 616acca62c7feadfaeb05c2bf7aa6320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.794356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041495/publication.txt
observed 092ed27904d6a3c30d1ab4b2e482ce5e...
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.