OpenTechnical

OT-2026-000074368

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074368) never changes.

Identity and time

Publication numberOT-2026-000074368 · never reused
Internal UUID01a0ae93-7179-718c-9a21-0dc57cf2445b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074368
StatusPUBLIC

Content hashes

Canonical text0cc0668f9895f1719a8ef6b26867c7c8dfd421df29d84c76bbbdf8250bd01706
Markdown53c966238ecf738472238d8500bbcb18de025885c92ccbef1027a9f30866f0be
PDF
Publication pagedd72c141f3e3c41144237906ec95872eb12ce2d698fb2cfcd6edcb0240cb0ee5
Manifest748a4f2f36491e8c8b57dfeb1597c422afea1618054e3ef7392667b71a2761cf

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
SignatureTiTHRmI/M38RugJtEtaf0x15bAIqvvbbHAl7Cc1IgwX+Fkmtnpf6Cmrt2sUVcNYFkGD2ZGuB5MHi9sZiWGiZBg==
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

2026-09-17T10:19:17.774575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074368
observed dd72c141f3e3c41144237906ec95872e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.756641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074368/manifest.json
observed 748a4f2f36491e8c8b57dfeb1597c422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.735587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074368/publication.md
observed 53c966238ecf738472238d8500bbcb18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.717556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074368/publication.txt
observed 0cc0668f9895f1719a8ef6b26867c7c8...
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.