OpenTechnical

OT-2026-000073566

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000073566) never changes.

Identity and time

Publication numberOT-2026-000073566 · never reused
Internal UUID01a0ae92-efb9-70ab-a4a7-5a15c973589b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073566
StatusPUBLIC

Content hashes

Canonical textc8ba8af87388b29c7cabb4d78f559af7e800ca874fe4b3070a1415229519f2bf
Markdown2722e36ae252f35140d126b961bf05e2c2c8aee114713b95e632167295fabbd2
PDF
Publication page49d9640f02a6a0c9ee7aa987b50cfad8171542938316470d7eb778569ffcdeaf
Manifest7e3e45cc610d351ed4dd03edbb175b66b9768b8663cbb3b099cd77b0362a1095

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
SignatureFTCkOqlWP0RMnRy3zGTOOdyOxWZ0q1qxxnFjzs7OPn69Fk6Nz2jFW/k/amvalFa//G6kZgv05t4yuaS6VxfmDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:44.418142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073566
observed 49d9640f02a6a0c9ee7aa987b50cfad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.401930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073566/manifest.json
observed 7e3e45cc610d351ed4dd03edbb175b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.384105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073566/publication.md
observed 2722e36ae252f35140d126b961bf05e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.366304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073566/publication.txt
observed c8ba8af87388b29c7cabb4d78f559af7...
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.