OpenTechnical

OT-2026-000075410

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before 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-2026-000075410) never changes.

Identity and time

Publication numberOT-2026-000075410 · never reused
Internal UUID01a0ae93-f201-7db6-a579-b8c53667a1ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075410
StatusPUBLIC

Content hashes

Canonical textf83c07e56bbf779d0b357dfd5ea35749ee477ed112be472f5163e94855579c55
Markdown471f2077398d678840f7e174eabd9a1bf82b32b7ca2ca2b5d9ff328e5885f934
PDF
Publication page05d3a4937d4c2d6173c36c2151f1b047f85ef99de57b14275ce4944bf28ddc6f
Manifest582bafefab306b84329b98445c2e5523a356343bb233098d8d8b46193b66ff61

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
Signature9FIrS1WRChyDbMEtsuMdaKVqEaGheHJGS9191xrM+hSx6b+MNtTT9Jx5fvp7VPoCmYe3vZTMkimCFld2Um2bDg==
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

2026-09-17T10:17:31.809182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075410
observed 05d3a4937d4c2d6173c36c2151f1b047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:31.791230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075410/manifest.json
observed 582bafefab306b84329b98445c2e5523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:31.773697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075410/publication.md
observed 471f2077398d678840f7e174eabd9a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:31.752403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075410/publication.txt
observed f83c07e56bbf779d0b357dfd5ea35749...
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.