OpenTechnical

OT-2026-000019373

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000019373) never changes.

Identity and time

Publication numberOT-2026-000019373 · never reused
Internal UUID01a0ae6e-f392-7326-9adf-390c3aaebe15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019373
StatusPUBLIC

Content hashes

Canonical text593528bacafd2eb0f6f51af8ec8fe9d673f3f18fc78303d7a31189e3bb48323a
Markdown8913a78290567ff7680c7bf84e3701804e80811114932c6831a6851d7993e409
PDF
Publication pageef4f614331fbd68877b65243117950bb437531b17db7d34ad611b5b8f22c221a
Manifest502c52a284b58bfc587a9d29a10a7ec6e225eb9efd57ece82fdd997d58a54305

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
Signaturem49AyhVCjMmxcfI5gm7yZFS3bT4Tf7mxZO5Z7frinhunQNbBxU6aODapY5Uz9CQaGNezKvaqNWpoBgaAkCm6DQ==
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

2026-09-17T11:58:45.341770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019373
observed ef4f614331fbd68877b65243117950bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.321331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019373/manifest.json
observed 502c52a284b58bfc587a9d29a10a7ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.303486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019373/publication.md
observed 8913a78290567ff7680c7bf84e370180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.285855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019373/publication.txt
observed 593528bacafd2eb0f6f51af8ec8fe9d6...
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.