OpenTechnical

OT-2026-000050421

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000050421) never changes.

Identity and time

Publication numberOT-2026-000050421 · never reused
Internal UUID01a0ae82-5c48-7afc-9924-02d1cd5757b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050421
StatusPUBLIC

Content hashes

Canonical textd92a79c3e99d00a70a4442706f99eecb3d55833e55bef4cabe980da87cb8a405
Markdowna8976a635fbe65a0d85e1274d9220fc9349ffbf994a40d7396ac35f90078d583
PDF
Publication pagea86edbe5110358a16d1582f3298041dcae1e7cbdb593af16163704e098b98820
Manifestc5c204604d5978266fd4c5afa27c5d3234743610bd5a4c5dfdf0448f8f43ca0a

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
SignatureH7b7j6tsxjIsuOnpqXhYQWUaRF5hE9BTNHMSIxCpNl/tMijb9mNb4yQoIsjqs5/ND2meNOFDzv9UOKU9rds8CA==
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

2026-09-17T11:01:28.004549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050421
observed a86edbe5110358a16d1582f3298041dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.988877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050421/manifest.json
observed c5c204604d5978266fd4c5afa27c5d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.972987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050421/publication.md
observed a8976a635fbe65a0d85e1274d9220fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.956373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050421/publication.txt
observed d92a79c3e99d00a70a4442706f99eecb...
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.