OpenTechnical

OT-2026-000017617

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000017617) never changes.

Identity and time

Publication numberOT-2026-000017617 · never reused
Internal UUID01a0ae6e-96f9-7e18-967a-7ae1fde23b00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017617
StatusPUBLIC

Content hashes

Canonical texte73812a30583231ba3f0d9d4f4f137b3addc338dda8060dcb10dc9c07feba50d
Markdown91c14fd5496726dcf9457bc5a577491265c5b87eb9d40d537ebb4cf7fc32fc17
PDF
Publication page1f2c009d0f9dd17a5ff08aff36753f6059b9271fe28a835f3bf56994f9a28927
Manifest5cc92ace4032827cd1c61a898aa456cba18f7cecf2d0c12db361a7ce337d159b

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
Signature5EvRSfDzePtFhjdsBr8lC/t/0Gkvq13vzZN/DrnwAeWFfL3mm66/1vXhcMiwZ96io2HtI+lHmJFagLOp1ZEFDA==
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

2026-09-17T12:01:25.528127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017617
observed 1f2c009d0f9dd17a5ff08aff36753f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.510688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017617/manifest.json
observed 5cc92ace4032827cd1c61a898aa456cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.494266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017617/publication.md
observed 91c14fd5496726dcf9457bc5a5774912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.476304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017617/publication.txt
observed e73812a30583231ba3f0d9d4f4f137b3...
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.