OpenTechnical

OT-2026-000056997

Publication integrity record

Two cup vacuum gripper, two 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-2026-000056997) never changes.

Identity and time

Publication numberOT-2026-000056997 · never reused
Internal UUID01a0ae87-d5b5-7666-9250-f83f9a56f170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056997
StatusPUBLIC

Content hashes

Canonical text6e8f59325ff56cdb986412b40655270a9b4c2ba1765e046fb9d298149df4e0e4
Markdown94f48190fe20ab65df154c07ad7d2695765619794e10e0fd37a2e8a4193bc662
PDF
Publication page69126d6ba0b0d38db3c1f9bf3ffbf2283c63221d7e1d7b4ad438fed2edcee125
Manifestfed5aa2adbaad566c40d0747fdbd39903f4457307fc59034acb0e98da596f83d

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
SignatureYAk1xCkkUAxh3jB/xJOFd56sNf5E1QWgDK9xfayLpJT+/GsFc194Kdl4VMLHEldtzbs+aWw4Nk6U21gRGrTXBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:28.176643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056997
observed 69126d6ba0b0d38db3c1f9bf3ffbf228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.158955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056997/manifest.json
observed fed5aa2adbaad566c40d0747fdbd3990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.141134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056997/publication.md
observed 94f48190fe20ab65df154c07ad7d2695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.122677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056997/publication.txt
observed 6e8f59325ff56cdb986412b40655270a...
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.