OpenTechnical

OT-2026-000018301

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000018301) never changes.

Identity and time

Publication numberOT-2026-000018301 · never reused
Internal UUID01a0ae6e-b489-7509-ab20-712e340054de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018301
StatusPUBLIC

Content hashes

Canonical text52d09ead97695686099633b8dac621c574445952c92edba1bc7f3facd08aea6a
Markdownc60c44d94c4ca63f5c612751c8dd7f6f18607ce1a11bc300e6c70f530d1cc8ab
PDF
Publication page89a1aa720040b52326f82527ba1f795b9643c213fe49dfd2cd69b1694a849f18
Manifest0712d7b37da92c0f9462bf1e966130c34c9e509280848b1336c5b27bcee5c4a9

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
Signature46J7xMeq2QxVAb3+L4dIIPGrXXSG3Q7DVgdSgEWv8+6oWIy4EwURC1aqjQZfvff2Xefpw/jW8nCyokEodOz6AA==
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

2026-09-17T12:00:10.508497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018301
observed 89a1aa720040b52326f82527ba1f795b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.478459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018301/manifest.json
observed 0712d7b37da92c0f9462bf1e966130c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.452066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018301/publication.md
observed c60c44d94c4ca63f5c612751c8dd7f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:10.423608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018301/publication.txt
observed 52d09ead97695686099633b8dac621c5...
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.