OpenTechnical

OT-2026-000087380

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087380) never changes.

Identity and time

Publication numberOT-2026-000087380 · never reused
Internal UUID01a0ae9a-cd4f-7e80-b448-e0c657b122cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087380
StatusPUBLIC

Content hashes

Canonical text45b937c23a0b7296937ac1f7eb79f816e6fc3d4d9f1588d044313db69d42f3b0
Markdown025a076c2c242ff1c86c80bf2873ecab8f7d1e9852224702f6637a36d8520b27
PDF
Publication page4ed7350f72e4f7576f430a0cde07f2e034d76712194c4aae719a978bdf203045
Manifest69f5f70fbc7e96535f8662a4e86ca1c9dd454dc83989b94730b5d4789e331cee

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
SignatureIcQCoORTO6U/BjSER7oNzUgtlOX/6z9AGQKlTSoP80n0mBBLQVw9pIK4kM/8/9bYRhLOicON8f+BHTENFDiECg==
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

2026-09-17T09:50:34.323190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087380
observed 4ed7350f72e4f7576f430a0cde07f2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.303319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087380/manifest.json
observed 69f5f70fbc7e96535f8662a4e86ca1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.286069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087380/publication.md
observed 025a076c2c242ff1c86c80bf2873ecab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.268368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087380/publication.txt
observed 45b937c23a0b7296937ac1f7eb79f816...
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.