OpenTechnical

OT-2026-000077834

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077834) never changes.

Identity and time

Publication numberOT-2026-000077834 · never reused
Internal UUID01a0ae95-2ed0-7a51-9dc5-04dec8a63c0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077834
StatusPUBLIC

Content hashes

Canonical textf2718f3b6b3bb631f54a035f4b249fe92dd5377327dfc6a0afd37539684811d8
Markdowne87c6c4620d6b3067cee4250c38b0be2169603f210d1edc768ecfb43578d68fb
PDF
Publication page172cf036722fc0eec1f98caf929f88c23420c444aca54687028dad8803d34e81
Manifest5cccd4dc46728baaf9288578427f148142f1a4779a030383fa47b525790b5da0

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
SignaturevvsUYYKBBKOroNFI7VRD5tJiehmxYmJpR0rim3LRjp9hS3S1YnZmn83/VPFpGmYYqzuDwNNoctDN7Jjzj77WAw==
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

2026-09-17T10:07:25.953539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077834
observed 172cf036722fc0eec1f98caf929f88c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.935854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077834/manifest.json
observed 5cccd4dc46728baaf9288578427f1481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.916014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077834/publication.md
observed e87c6c4620d6b3067cee4250c38b0be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:25.894418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077834/publication.txt
observed f2718f3b6b3bb631f54a035f4b249fe9...
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.