OpenTechnical

OT-2026-000054118

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000054118) never changes.

Identity and time

Publication numberOT-2026-000054118 · never reused
Internal UUID01a0ae85-b3a8-7bb8-9e22-218fb4f7ce50 · 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-2026-000054118
StatusPUBLIC

Content hashes

Canonical text84f323072a94daab8d991091a16a6defb16230d16aa0e89030c52bc723a3f281
Markdown260b792edb4a2d7420e084638cfe3cac7ff6acb3cce083e2a4afaa7be357131c
PDF
Publication page811e2b4ef3046ee7e710bf6f37d8014339f6a3c0ea280f29ae18e4983a940ce3
Manifestd323c898e032d1d7a8f78bd6e0a82bc1bbca0788164df1924ef562597e948a43

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
SignatureShD/sejboqlQX5XGHq8kojfXuxUlEHm/4GSh1V9qO63/0pPzc2OXTrNeAdfKTTlr5XgG3BY6Hu36VJT8bMMkDw==
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

2026-09-17T10:54:30.958053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054118
observed 811e2b4ef3046ee7e710bf6f37d80143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.934550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054118/manifest.json
observed d323c898e032d1d7a8f78bd6e0a82bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.915533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054118/publication.md
observed 260b792edb4a2d7420e084638cfe3cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.893576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054118/publication.txt
observed 84f323072a94daab8d991091a16a6def...
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.