OpenTechnical

OT-2026-000044422

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000044422) never changes.

Identity and time

Publication numberOT-2026-000044422 · never reused
Internal UUID01a0ae7c-39d7-7cf1-b2da-1c0a5c792c51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044422
StatusPUBLIC

Content hashes

Canonical text5fabd8f9ef0aaf726ae851923ab887f2d8c414bf0b26e48ed84bc3c89360b23c
Markdown01da564be4d2883933fa7c3a3ac62e00ba216f6e5e15c926601d851becad69d8
PDF
Publication page6e95436e0e159251a16fa2580873f8939e0053c2f5fcfe31005c86be6996beb3
Manifestaf438bd6b0de72ec42a875b1721211db905f4409f145fdbb9cffc2c0ab22a27b

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
Signature78UBxghWRtKUqpL4NEc13B36Zzn78cYSUFiXnUtw9rLtCHCzB2xQzJtEmXqWG4Nc5IX2Ks2pH4XiRPozNDqDDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T08:30:43.535477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044422
observed 6e95436e0e159251a16fa2580873f893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:43.518055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044422/manifest.json
observed af438bd6b0de72ec42a875b1721211db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:43.500146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044422/publication.md
observed 01da564be4d2883933fa7c3a3ac62e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:43.482320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044422/publication.txt
observed 5fabd8f9ef0aaf726ae851923ab887f2...
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.