OpenTechnical

OT-2026-000082924

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000082924) never changes.

Identity and time

Publication numberOT-2026-000082924 · never reused
Internal UUID01a0ae97-8cca-7306-96c0-66ab4e221c6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082924
StatusPUBLIC

Content hashes

Canonical text3661b34c11a208884a2dbb9ed8cf4af1f257521d1c8ca1c890dd9c47de608b44
Markdown7671ab3ba55f3c0c1e3d33ce2657dbf6ca7790a59fda604a431597658d102b7f
PDF
Publication page55c6b99cad45f14e568f7e7fab7b0b8ea814b38c6421b5322ea8e2d35d317227
Manifest789f9a6b1797aca1a8a9312b936d4316e73f49a438efbbacac6a6529274d99d0

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
Signature1sdYY2rwbhQbjLnXIRu7Zfn/CXjaHZv6g3q7r4WiRG6dck17gUEoqNxaSXacIvz8a2EqZLzkxqdDm/dcEcAGAA==
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

2026-09-17T09:58:36.963172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082924
observed 55c6b99cad45f14e568f7e7fab7b0b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.946459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082924/manifest.json
observed 789f9a6b1797aca1a8a9312b936d4316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.930926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082924/publication.md
observed 7671ab3ba55f3c0c1e3d33ce2657dbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.914384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082924/publication.txt
observed 3661b34c11a208884a2dbb9ed8cf4af1...
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.