OpenTechnical

OT-2026-000087446

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087446) never changes.

Identity and time

Publication numberOT-2026-000087446 · never reused
Internal UUID01a0ae9a-cd50-7bca-8853-ec4653fc6dd7 · 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-2026-000087446
StatusPUBLIC

Content hashes

Canonical text2912805bfdf51082eb833d43b75cd3b27d8f612186cf92938bc9df6f0fb33ecc
Markdownb36a8a420e8dd8e092ee6e0b24f0caad8913be3a086e5a8dc3ad65d453960a4e
PDF
Publication page63415d349153808de2c228761765ac252d6395e742a631bb20ccc88f7d7830bd
Manifest90e231d17e248ec9999ff1faf36dfe02fd741d6089ab9742985de7ae3ea5bac7

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
Signature2VeVKnUT9Dl+M8h2UPxBbnQDJMzLGuIXYyGm6dg/lTJGyYn8vUADjWoYRDTpvMPTCeopwLTtLgfzbAGemW4WDg==
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

2026-09-17T09:50:46.166748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087446
observed 63415d349153808de2c228761765ac25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.148209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087446/manifest.json
observed 90e231d17e248ec9999ff1faf36dfe02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.130241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087446/publication.md
observed b36a8a420e8dd8e092ee6e0b24f0caad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.111331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087446/publication.txt
observed 2912805bfdf51082eb833d43b75cd3b2...
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.