OpenTechnical

OT-2026-000054189

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054189) never changes.

Identity and time

Publication numberOT-2026-000054189 · never reused
Internal UUID01a0ae85-b3a8-7179-9c5b-80ee0e967ab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054189
StatusPUBLIC

Content hashes

Canonical text7a76cdeb7118a7f75ab211cb2a24e34d5dd0ea5992f4bb3364ec103141f609c2
Markdown0d0ae0398294217f9d712bc6cdf8cd859f012acda02e24500539ff796213bdd7
PDF
Publication pagef1813232731d003ae1e797abefd0ca676d596d27767930c1ef1d6204403d262d
Manifest4d1796376b3c2310bf4a9ff1824b9621e287cfa7c0ec686ac4eb3c433ee3169a

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
SignatureYS5Hd5+evAzCLeE7EKqQVU7qZDJRg0fY8FKtk/4Yt1LKYFBPJdckYxUhqFzZMi+UDmejptO8rirkjUC5bRZuBQ==
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

2026-09-17T10:56:27.052047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054189
observed f1813232731d003ae1e797abefd0ca67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.032323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054189/manifest.json
observed 4d1796376b3c2310bf4a9ff1824b9621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:27.013085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054189/publication.md
observed 0d0ae0398294217f9d712bc6cdf8cd85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:26.994293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054189/publication.txt
observed 7a76cdeb7118a7f75ab211cb2a24e34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.548957ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054189
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.521639ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054189/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.505412ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054189/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:39.490324ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054189/publication.txt
observed ...
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.