OpenTechnical

OT-2026-000084517

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000084517) never changes.

Identity and time

Publication numberOT-2026-000084517 · never reused
Internal UUID01a0ae98-e25a-7c98-a108-6db82c1621c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084517
StatusPUBLIC

Content hashes

Canonical text9a9be63db21df220d102f3be8f9ce91ce55a89569b15f9ee558677fd1d0ed782
Markdown54b11a944e07934f07db70529826ed3d02ced9dbd9ef7facc38e84b0fbe1a693
PDF
Publication pagedcd541097dbfafc6389d2524e2705366c5ee61234531cf994695a299d234b550
Manifestecd16a046c0d4194c363a9235f5a4ceed9aed45e85d8c3014f1215527db900a5

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
SignatureCeUzyfz1NGYpnxWHC/zrvAreZPfdDaUaH9qUUAP7X5qKgkZaCuiG5qCLFKFbMEiAfHRdEpcDSQDZrlwaBfiNCQ==
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

2026-09-17T09:55:23.795619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084517
observed dcd541097dbfafc6389d2524e2705366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.777546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084517/manifest.json
observed ecd16a046c0d4194c363a9235f5a4cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.757978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084517/publication.md
observed 54b11a944e07934f07db70529826ed3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.740678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084517/publication.txt
observed 9a9be63db21df220d102f3be8f9ce91c...
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.