OpenTechnical

OT-2026-000017365

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000017365) never changes.

Identity and time

Publication numberOT-2026-000017365 · never reused
Internal UUID01a0ae6e-76c9-7a8f-9ad8-6a01a8b43701 · 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-2026-000017365
StatusPUBLIC

Content hashes

Canonical textdca078b61891966d177257604b934565c12d87c6c5fbf945439739980e598134
Markdowne76364cdff2854214e4c214b690b481b6fb30be56e434a53ac9ba9341252d549
PDF
Publication pagefc167b637fec39b35e979ed4c6c949af4966ab3324107d9d6662c45da96642a9
Manifest05ec7629e8674c5bb229b52a277f3729c896d4b624dbb1e80aef4aa002db6cb5

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
SignaturekTpmYgcdIvb6TZxgY4HHcA36+gIflUYm6BhZUX5FbE6bh8r0jNofawltoeESprk13LUz79nS5sfGpwBb1AJUBw==
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

2026-09-17T12:02:28.979502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017365
observed fc167b637fec39b35e979ed4c6c949af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.961457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017365/manifest.json
observed 05ec7629e8674c5bb229b52a277f3729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.943438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017365/publication.md
observed e76364cdff2854214e4c214b690b481b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:28.925847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017365/publication.txt
observed dca078b61891966d177257604b934565...
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.