OpenTechnical

OT-2026-000044730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044730) never changes.

Identity and time

Publication numberOT-2026-000044730 · never reused
Internal UUID01a0ae7c-39db-72e3-89e0-0e7cf1c55dde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044730
StatusPUBLIC

Content hashes

Canonical textfa42f1b8d912949695e8a58d9c03e4532ad9670ad8260dd0a29c9502657abca0
Markdownd6bb790fd1b7804ae7758470a02a765bbd023070558aa01c3b4b8692a73bb5f8
PDF
Publication page16ae000c07af7c1dbcc147afed39e86335dccae086a1abcb213b289f2b1e8bb6
Manifestc64a181b7f41a2e2bb667a20c670ce8423fa87ee54c148b352ae5b8268cee880

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
Signature+cJTllNoH5oy4dhNvK5bH3XictBxB4CuwsHGjDaRbCQxDl652mZc9fpolenM+QXs+KiNwHEzTmkZlAvgxGh4DA==
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

2026-09-17T11:11:59.992024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044730
observed 16ae000c07af7c1dbcc147afed39e863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.973394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044730/manifest.json
observed c64a181b7f41a2e2bb667a20c670ce84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.955696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044730/publication.md
observed d6bb790fd1b7804ae7758470a02a765b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.937004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044730/publication.txt
observed fa42f1b8d912949695e8a58d9c03e453...
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.