OpenTechnical

OT-2026-000017334

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000017334) never changes.

Identity and time

Publication numberOT-2026-000017334 · never reused
Internal UUID01a0ae6e-76c8-720f-8155-5b147b94243e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017334
StatusPUBLIC

Content hashes

Canonical text19ffd7cddcdffde624b6f2b5a77ca91de12aa0000b67a7d346a72b6a21b2fa68
Markdown673195913af0e6bc5ed272269f8b2c76b5467223b98812e7de2c26b7b3dc949f
PDF
Publication page1c11037c9d3fb817591b2b513c3517834bb55c89d39b653e43e181ccafca1938
Manifest7ef1f44fbc0ea74adbffe59daaa27d74c95bdf5da7a5d02c12670a108852acc0

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
SignaturewUWY7gv1EqKVVKRmH50HcOLgyE/QIMFXcZP20eg7eSe1qav4lcl0tHaRrmn9flij29/JUq3Rdm8Tf4VvuduXCA==
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

2026-09-17T12:02:26.476529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017334
observed 1c11037c9d3fb817591b2b513c351783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.458874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017334/manifest.json
observed 7ef1f44fbc0ea74adbffe59daaa27d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.441507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017334/publication.md
observed 673195913af0e6bc5ed272269f8b2c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.423686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017334/publication.txt
observed 19ffd7cddcdffde624b6f2b5a77ca91d...
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.