OpenTechnical

OT-2026-000073517

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000073517) never changes.

Identity and time

Publication numberOT-2026-000073517 · never reused
Internal UUID01a0ae92-efb9-7635-826a-6c1f94e9b209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073517
StatusPUBLIC

Content hashes

Canonical text4006e433f4e0ee840820124456ef681dba72a13197d71748699ca46e096eefa6
Markdown1af9ccf1e89cd1956f4325b701492dd31542062e0ccab56d0622f4297ddfbfe8
PDF
Publication pagee24b952ba7f837cb36a78036e47156667acbd79cd3f09ae3b3066e819852284a
Manifestd62be5bfdbee4dc78624f0bbebe0452a7c0e880cb098c1c51b08256f1122a39f

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
SignatureL8i6SWDB9LEdDltxurnLz0Am36ve3YSB7aHMxhJSnRpttP8xNjo1gAK4At+aIc+7s+avsuYhNY7UPXFZO8BTCA==
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

2026-09-17T10:21:41.267772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073517
observed e24b952ba7f837cb36a78036e4715666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.251060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073517/manifest.json
observed d62be5bfdbee4dc78624f0bbebe0452a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.233209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073517/publication.md
observed 1af9ccf1e89cd1956f4325b701492dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.215649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073517/publication.txt
observed 4006e433f4e0ee840820124456ef681d...
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.