OpenTechnical

OT-2026-000071595

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000071595) never changes.

Identity and time

Publication numberOT-2026-000071595 · never reused
Internal UUID01a0ae91-e0ee-73c8-b432-e5340a002d76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071595
StatusPUBLIC

Content hashes

Canonical textcbda0e4821a403d167bdf4487b3e5f67f01e9538f22079ea9f1f07c8e88bcda7
Markdown3bc269388eb03d9b4e0839fcd72ee1ba2d7f3ec5e81943c4408fe70dbf52c60f
PDF
Publication page4b1df34dcbb1aea31dea2a98e404665a4e4f06cc8bafafd660a1204a46ea32c6
Manifestf3c01d13f6c81f00a56db674de1f5ecbaa4b98a2a8c80bc93c00b86e6bfffcbe

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
Signaturenhnn+syoC/usMRneuu7DEBM1lr0H/234Qkw5sMbbvXQgnY8u5fpWJz1WPm5DpCJcKGzWfns66/JFHzvKASc/Dg==
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

2026-09-17T10:25:14.628734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071595
observed 4b1df34dcbb1aea31dea2a98e404665a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.611422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071595/manifest.json
observed f3c01d13f6c81f00a56db674de1f5ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.594829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071595/publication.md
observed 3bc269388eb03d9b4e0839fcd72ee1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.576817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071595/publication.txt
observed cbda0e4821a403d167bdf4487b3e5f67...
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.