OpenTechnical

OT-2026-000087788

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000087788) never changes.

Identity and time

Publication numberOT-2026-000087788 · never reused
Internal UUID01a0ae9b-1aa4-7015-80ea-9d8203753d1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087788
StatusPUBLIC

Content hashes

Canonical textdcdebfc979a9ce30065ccb4d5e4767e7da20505b3af825c8254ef3037c82cfae
Markdown715c62e05696a4d69d0b57c60f96ff95e3816e7c373aa7d29813e80eaa0c76c8
PDF
Publication page6f0c783987667b29f48ee692e9a5ab37fea7297f784f8f8d31a435d416caa348
Manifesta8b69f11283731a0bfec846c9eb49af35a50e525a64b23e85f17f3bad423f9e1

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
SignatureHZTFfd8TcbLmlWes5T3Xdm6LEZLHhW7p1knMtBt0ORIaY1cxEQqSea+YBNFF2YRRcd/ww2l2BRm/f/SqbrkMDA==
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

2026-09-17T09:48:59.712183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087788
observed 6f0c783987667b29f48ee692e9a5ab37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.696215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087788/manifest.json
observed a8b69f11283731a0bfec846c9eb49af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.678824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087788/publication.md
observed 715c62e05696a4d69d0b57c60f96ff95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.662360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087788/publication.txt
observed dcdebfc979a9ce30065ccb4d5e4767e7...
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.