OpenTechnical

OT-2026-000056695

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000056695) never changes.

Identity and time

Publication numberOT-2026-000056695 · never reused
Internal UUID01a0ae87-7af6-7ed8-9c21-a9470c28ba54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056695
StatusPUBLIC

Content hashes

Canonical text5f289dbe4fb7d496474591ccafaf79a42921f738366cc2f6a25df5f0a0cf9707
Markdownab6aa48afb818911b174af2e128013010fb2f44c618f73e767162aed46083b30
PDF
Publication page07a1082b7aa0194a6d84f450ee14418f26182911b4e6615adce550b3a5ecc88d
Manifestff25bb3710d068fb15109bd486400e4479d6504ae492542b3a4a2cff33cb0274

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
Signaturef4wBSaLoTn8EuCzliqCeW0Htlc/bHNWuHYU8OvqlepYaeSmDDoPC7DspYNv//9ZnF9jD0RuDS7H4SrjV2QPqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:05.985209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056695
observed 07a1082b7aa0194a6d84f450ee14418f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.968179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056695/manifest.json
observed ff25bb3710d068fb15109bd486400e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.935797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056695/publication.md
observed ab6aa48afb818911b174af2e12801301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.915283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056695/publication.txt
observed 5f289dbe4fb7d496474591ccafaf79a4...
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.