OpenTechnical

OT-2026-000095512

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000095512) never changes.

Identity and time

Publication numberOT-2026-000095512 · never reused
Internal UUID01a0ae9f-8f74-7d80-a894-2ae7f37f48ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095512
StatusPUBLIC

Content hashes

Canonical text5bfd63ea6b02a02a00441f1a54c95812cb96f469aa9079609e0f254d6d00a930
Markdown154cc5ccc59346762149b17b136d0ece78a11e55a64284b34b4b1b57c38a9cb9
PDF
Publication page264f2d22cc2b63c2332762a0dea2ea14cdfc8daddfa98a2031ac0fa8959ccc1e
Manifestd36d9af5215cd1b9589c1d03fea2b30066d22a83348810ec6f77ff6944575fc9

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
Signaturel0dsOqqDiNFS+Y/spZfeAmcOdFIilK5Z/rA4fQgsQoLfo972hSHeMzR3epC04NsZB8PeynDDXrsKvRJovdUUCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:55.211677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095512
observed 264f2d22cc2b63c2332762a0dea2ea14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.195781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095512/manifest.json
observed d36d9af5215cd1b9589c1d03fea2b300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.178389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095512/publication.md
observed 154cc5ccc59346762149b17b136d0ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.161940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095512/publication.txt
observed 5bfd63ea6b02a02a00441f1a54c95812...
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.