OpenTechnical

OT-2026-000092021

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000092021) never changes.

Identity and time

Publication numberOT-2026-000092021 · never reused
Internal UUID01a0ae9d-43bc-7bc0-8130-8860e44e973f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092021
StatusPUBLIC

Content hashes

Canonical text8aa2ade3c396de8efc6da64e27adb078bd45b80a0cd2e2bc43a832456083b886
Markdown9b381e7fcaa907b513564eb8931736c2aeb6a3510ffcd5e5477b637b8a58da96
PDF
Publication page96f8f98396c5419c3a8d51bb4e44f6b3c294c7806229804444da1401ca666b0c
Manifest43f5234007afccb5e345fba5067d19e8a68d9c3b0ba0f25300755d623288e489

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
SignatureAzRPf32l3okLW81SMwii2oPxK0da5ojQcryKJsvdG5fAIzMQobv4iFG902G5es8einsLnV6HEsYlZoMhMw9YAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:06.279197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092021
observed 96f8f98396c5419c3a8d51bb4e44f6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.261920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092021/manifest.json
observed 43f5234007afccb5e345fba5067d19e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.245650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092021/publication.md
observed 9b381e7fcaa907b513564eb8931736c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:06.228119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092021/publication.txt
observed 8aa2ade3c396de8efc6da64e27adb078...
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.