OpenTechnical

OT-2026-000080254

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000080254) never changes.

Identity and time

Publication numberOT-2026-000080254 · never reused
Internal UUID01a0ae96-7e77-7e47-9aed-35ceb22abfa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080254
StatusPUBLIC

Content hashes

Canonical textf86964c4bf9cd34dfbca9de3b191e953759eb4f0f943d8bc723f62effaae55da
Markdown1e1d3d5bab6a214a251b54c7ba78fbcde3c53122b2deff4d083a755b16bf82f4
PDF
Publication page6fe9c12d47c6bd4c5976f71a00955032adaf6249168b7440ae589a92b1c1720a
Manifestf1db9d0253f239e5414ccc2a5dd001353094fc30fca22e9d1c3b42ce573661ca

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
SignatureBSI4c61fONoKeP8B1q/CZDluwXc4X4Qv7J76Bw84g8F9zDMzY6J0igG4B84LkWDs8HTZUhzNv10Q8+0G4ol1CQ==
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

2026-09-17T10:02:42.940109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080254
observed 6fe9c12d47c6bd4c5976f71a00955032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.918908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080254/manifest.json
observed f1db9d0253f239e5414ccc2a5dd00135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.900440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080254/publication.md
observed 1e1d3d5bab6a214a251b54c7ba78fbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:42.881473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080254/publication.txt
observed f86964c4bf9cd34dfbca9de3b191e953...
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.