OpenTechnical

OT-2026-000012472

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000012472) never changes.

Identity and time

Publication numberOT-2026-000012472 · never reused
Internal UUID01a0ae6d-39f7-7d8a-8bd9-e7cc7ff07f79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012472
StatusPUBLIC

Content hashes

Canonical textc82ef68bddd770769d53e027166122b2f6ddb02ff337c2b635e838d3a5c3a2e9
Markdown90863cac50db341a6a7e2a1be1358c0e86d2710a8a71167f1a1eab29bd6cb691
PDF
Publication page90b3644aab657411fbbc5d784fb4caa07e9940d576ac626159995928ea116062
Manifest6f70ffb0b1c4e90d02597232e7a2d0efebb86e11de2b6f82fc4f11c80ec89f00

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
SignatureiMyF5fdNBNaKE8SPdqsUNM4oU9JFTNat0sIXCgQ+JOjUn1Zi+q0AH/uRcc6lvN682dVsZ/9Xt4DJ0nOeu6f7DQ==
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

2026-09-17T12:11:58.991923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012472
observed 90b3644aab657411fbbc5d784fb4caa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.974133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012472/manifest.json
observed 6f70ffb0b1c4e90d02597232e7a2d0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.957176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012472/publication.md
observed 90863cac50db341a6a7e2a1be1358c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.938632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012472/publication.txt
observed c82ef68bddd770769d53e027166122b2...
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.