OpenTechnical

OT-2026-000015658

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000015658) never changes.

Identity and time

Publication numberOT-2026-000015658 · never reused
Internal UUID01a0ae6e-0c4b-7236-87d8-1a641340e48b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015658
StatusPUBLIC

Content hashes

Canonical textc6578e53340d8cf4e872b26d7cdf3946ea6c9642248843ce00a75f8185162cb2
Markdownd8b5bc00e5c75dbdb94caf695d9c77e8b9154bc7d026b716e2d7c852bf1ae68c
PDF
Publication pagef940ae6b68512f8bca88728a2ca0ff10afefe0b16f9edefe349424db5e64fd1d
Manifest680079a947f812af1304fe3966e08ee2bc8b20b17b95e59d39b397d419414a51

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
SignatureHm80yqEGcA4Z5sk0VQ5wNNgVMeEIrTAEjqlF509plngIfpAsggC9dA2UvrhUsEuL/Un+Z+1C5htx0uSbCDKFBw==
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

2026-09-17T12:04:55.182016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015658
observed f940ae6b68512f8bca88728a2ca0ff10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.163445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015658/manifest.json
observed 680079a947f812af1304fe3966e08ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.146190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015658/publication.md
observed d8b5bc00e5c75dbdb94caf695d9c77e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.129664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015658/publication.txt
observed c6578e53340d8cf4e872b26d7cdf3946...
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.