OpenTechnical

OT-2026-000055903

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line 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-2026-000055903) never changes.

Identity and time

Publication numberOT-2026-000055903 · never reused
Internal UUID01a0ae87-0a4a-7968-8efc-0771ec7bc7ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055903
StatusPUBLIC

Content hashes

Canonical texte4f4ac11312a3bf538060126794e2320491915fbafe05acb27f91d3ee7f1629d
Markdown14091be65c3b8d32cf3de61ec125931ec6af63a6af90fca6e439aa8efdb8a44c
PDF
Publication page09a6e2b05e94c4d848d025703cf386161f5213af103eca0693ae30313cf60f3b
Manifest19f8022b5e3116af76837cf1f9d26e86e02f4fc08795bed8e5866c76f4f6202d

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
Signaturejm86epAbwDflbHA7v5s1ZbpgAwLVdh3QXvVqoa4Q70mrrOT90eRYTpgyQaq8DCjwMr4iYMyoxSu789T4DNBBBg==
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

2026-09-17T10:51:24.346021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055903
observed 09a6e2b05e94c4d848d025703cf38616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.327549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055903/manifest.json
observed 19f8022b5e3116af76837cf1f9d26e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.311012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055903/publication.md
observed 14091be65c3b8d32cf3de61ec125931e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.291423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055903/publication.txt
observed e4f4ac11312a3bf538060126794e2320...
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.