OpenTechnical

OT-2026-000008476

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000008476) never changes.

Identity and time

Publication numberOT-2026-000008476 · never reused
Internal UUID01a0ae6a-e46a-7d8a-b1ef-34bbc162d950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008476
StatusPUBLIC

Content hashes

Canonical text2f9c65203b84d64507030c2e084f5b43fe981f3ed59a615a53be0c83cca963f9
Markdown5f92b26588933364abd2d7ffc0df9eefc46a50ff9d6106ca7b780cfb1919534a
PDF
Publication page78c992a8696b37437de01b62cd3dfe095def8369da7508cb01cd49bbf52bcdb8
Manifest7c7e2539fc4b80781cc0266be01d59c950b023df746c53e712a98f7277ba4932

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
SignatureJL+cvTI2wmCgbkiZpQ5J1EzOLOOS050nRqNFjE38modtS9bY8Q6ners2x9YMJUp5ADN+21FWP6//OiV040PgCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:22.198574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008476
observed 78c992a8696b37437de01b62cd3dfe09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.180735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008476/manifest.json
observed 7c7e2539fc4b80781cc0266be01d59c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.160729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008476/publication.md
observed 5f92b26588933364abd2d7ffc0df9eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.138217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008476/publication.txt
observed 2f9c65203b84d64507030c2e084f5b43...
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.