OpenTechnical

OT-2026-000050733

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000050733) never changes.

Identity and time

Publication numberOT-2026-000050733 · never reused
Internal UUID01a0ae82-c7b1-7c95-9994-e24856227831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050733
StatusPUBLIC

Content hashes

Canonical text2d699577cd9c0f7029da0da1246ff328bc7768b0e06c5beae4c21760b6b2d4e7
Markdown0422c2a3a443869b6c329618467508038c23c4031dbe74eeff5d4523bd00afe8
PDF
Publication page7117e187303712490118761710cbb88289e2e777aca32e817512ae915ca3aaa7
Manifest3ad6ef6dea23af8c8e601c0fcf8af332e044fd9c74fef436af809724eb08db2c

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
SignaturewQFOq5ncISVlMtivXoWSCjZKu3ZQxeB2KCrDFl/16OIr8l8Bort8G6c0DKqzNDge8XK2a9ciHgV9KAtviLZODw==
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

2026-09-17T11:00:06.223009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733
observed 7117e187303712490118761710cbb882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.198844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733/manifest.json
observed 3ad6ef6dea23af8c8e601c0fcf8af332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.180781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733/publication.md
observed 0422c2a3a443869b6c32961846750803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.175400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733
observed 7117e187303712490118761710cbb882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.161787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733/publication.txt
observed 2d699577cd9c0f7029da0da1246ff328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.157729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733/manifest.json
observed 3ad6ef6dea23af8c8e601c0fcf8af332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.135430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733/publication.md
observed 0422c2a3a443869b6c32961846750803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:06.114660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050733/publication.txt
observed 2d699577cd9c0f7029da0da1246ff328...
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.