OpenTechnical

OT-2026-000082574

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000082574) never changes.

Identity and time

Publication numberOT-2026-000082574 · never reused
Internal UUID01a0ae97-8cc8-76bc-8244-153d255685b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082574
StatusPUBLIC

Content hashes

Canonical texta2fd1edd28efeec8878818772deeb439c2ac604e630b47277bdf8a81327b1810
Markdowne5c8c81deb78ba3253e7b04c0581e0b270920e067730e7d553874ad4186b551b
PDF
Publication page4bd01935709b1ef247570b6f2407caeec88664a0ab970ef7b85fe2b3f80881d8
Manifest52c07d59d16ea5adaeffcb87eb13ca699204b767bfecd531a72e39efdf07a49c

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
SignaturejQ58HzENXFwLQYn1qoyTfYHouF3R69wSMT/25W+r7F58IW3vJwKEZ9/R6Y1Ll2Ee79Y1VSlf9I/80tCauFbnCA==
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

2026-09-17T09:58:00.870267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082574
observed 4bd01935709b1ef247570b6f2407caee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.855572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082574/manifest.json
observed 52c07d59d16ea5adaeffcb87eb13ca69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.838477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082574/publication.md
observed e5c8c81deb78ba3253e7b04c0581e0b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:00.821351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082574/publication.txt
observed a2fd1edd28efeec8878818772deeb439...
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.