OpenTechnical

OT-2026-000025904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000025904) never changes.

Identity and time

Publication numberOT-2026-000025904 · never reused
Internal UUID01a0ae71-a83f-70cf-83fe-745d1d8f21ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025904
StatusPUBLIC

Content hashes

Canonical text4475ac4b58c93f45df6a7112832bac0c3e529b00724d1de24030b8dd2b4a21e6
Markdown3841fac848918797d96891ab594f5398cdd4c0b62bfc72f88fdc346e05772200
PDF
Publication page1346e6dee04fe15660e8864e2a2d63b531534c692db76aae54e6b04d1e810778
Manifest1b9e0e240405324fa5a0184ee9a8fb2b9240990acf13152f010bbfee3e4ae028

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
Signature7Mb7Oz8imQEThdHSNPkBPuRgFAoW7ujcQlNlSXyzf8FIX72oknO1lwwRB95tKIqO27dzdV/I5gX2Rw9aM++PCw==
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

2026-09-17T11:46:15.102343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025904
observed 1346e6dee04fe15660e8864e2a2d63b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.087566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025904/manifest.json
observed 1b9e0e240405324fa5a0184ee9a8fb2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.072505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025904/publication.md
observed 3841fac848918797d96891ab594f5398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.056198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025904/publication.txt
observed 4475ac4b58c93f45df6a7112832bac0c...
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.