OpenTechnical

OT-2026-000076980

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000076980) never changes.

Identity and time

Publication numberOT-2026-000076980 · never reused
Internal UUID01a0ae94-b071-78e0-8866-2003d60b2960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076980
StatusPUBLIC

Content hashes

Canonical text0eb088ec76ca0bfc8b3c7ea6b968ba9515373ef816525d929cdecd038230b344
Markdown7f68d5db7b85bb5c84cf398def73b2a13e3a0c63fe18bc835c8a71626013a2ae
PDF
Publication page9ac7944ec3a0ea24c8097ac95fcc0b3e64233b318b51cce4858bcd8219e58a14
Manifestfff556a15c54c05f314116954d4dd6a283d3940faa91e4d0a92a4421fe51f1c3

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
SignaturelA+sAtt2trRLewyR2DXex+IqLCoYveowkYjpWwnD+ZzT380fQoAS9LOA/ly9zXkmsIavOSS9AmWnGM3vLdTTBA==
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

2026-09-17T10:10:16.256424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076980
observed 9ac7944ec3a0ea24c8097ac95fcc0b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.231285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076980/manifest.json
observed fff556a15c54c05f314116954d4dd6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.207862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076980/publication.md
observed 7f68d5db7b85bb5c84cf398def73b2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.061886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076980/publication.txt
observed 0eb088ec76ca0bfc8b3c7ea6b968ba95...
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.