OpenTechnical

OT-2026-000083697

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000083697) never changes.

Identity and time

Publication numberOT-2026-000083697 · never reused
Internal UUID01a0ae98-0416-7b10-8c2f-575854e69c4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083697
StatusPUBLIC

Content hashes

Canonical textf04f5abc622acac3569b76971567f318451d4a7799c2ccadf1bd6978246c2cfc
Markdownb76cf1fd8f39ed9b09567d19dac7e89629b1376b52159c50c28f5921adb0533a
PDF
Publication pagede20f633315eb230959aedf96c42b2c05876d8ecf671cb700ad58b19bc5223e9
Manifesta83c06229012cfca36c2d5ce9b9833fd3813cd9a4e85f6a699f430ae3560158c

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
SignatureF50KVR1d6LXUM+sS6Iulo+p+jhCtvWlCxlfou3NTCha6BHikX3QpPFXIZG+LMD2pSzq6xrlqAmv5rQKdnZeRBg==
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

2026-09-17T09:57:19.518445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083697
observed de20f633315eb230959aedf96c42b2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.501963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083697/manifest.json
observed a83c06229012cfca36c2d5ce9b9833fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.485214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083697/publication.md
observed b76cf1fd8f39ed9b09567d19dac7e896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.468528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083697/publication.txt
observed f04f5abc622acac3569b76971567f318...
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.