OpenTechnical

OT-2026-000080072

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000080072) never changes.

Identity and time

Publication numberOT-2026-000080072 · never reused
Internal UUID01a0ae96-4378-7fc0-8c92-5e292b641041 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080072
StatusPUBLIC

Content hashes

Canonical text0e008d4d98723627a0b09444cc73feb4326483117c2f6571d0a8e47a024927f8
Markdownd83db72bb4abf66bcf92f44080d53287a803554bbf295bc2383e3944ab963c00
PDF
Publication pagef407de1fb865501ec306b31b2ae10ef82ac76e991418839836b111c029b81065
Manifest2148d161f040f933eb8d5bcc51dd35a43f8edff0b44c622a60bf8e8729ed0769

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
Signatureh67o84EdegfeAMayBpdRXkfti4S6SmIculT2ci3OmurzwI2VfOn+Q0bqAdvXiFeNrqnaxxuLRZzGrjY4ge5hBg==
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

2026-09-17T10:04:00.421326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080072
observed f407de1fb865501ec306b31b2ae10ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.402177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080072/manifest.json
observed 2148d161f040f933eb8d5bcc51dd35a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.384855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080072/publication.md
observed d83db72bb4abf66bcf92f44080d53287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.367566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080072/publication.txt
observed 0e008d4d98723627a0b09444cc73feb4...
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.