OpenTechnical

OT-2026-000069581

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069581) never changes.

Identity and time

Publication numberOT-2026-000069581 · never reused
Internal UUID01a0ae90-b52b-79c3-8808-2a1e90ef4139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069581
StatusPUBLIC

Content hashes

Canonical textff82f55ad2b173b23a8a893f0cde92300f14d404652c356a1ee2dab7d7e2f385
Markdownbc0436255522591ba91e1344b2b22966801ec3380e8792128784cedbc52124e6
PDF
Publication page54a1a4d5741a0a020cdff529ee8d01547979d5688d1b9b51b59bde41f3d49573
Manifest7996960485a7d0d20b87a3978e387bfd02a6f162c4660fb63b6b8b7bcc3d0a88

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
SignaturebosV4CWgGMDxUfMyFoR1XFUGpOAsqz83MzuqJtGbmUAPwCtiRNqB4WplWOuejaqcMrgwwyUPp1OnhoX7auYiCQ==
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

2026-09-17T10:30:42.308929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581
observed 54a1a4d5741a0a020cdff529ee8d0154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.289876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581/manifest.json
observed 7996960485a7d0d20b87a3978e387bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.270550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581/publication.md
observed bc0436255522591ba91e1344b2b22966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.251660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581/publication.txt
observed ff82f55ad2b173b23a8a893f0cde9230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.261268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581
observed 54a1a4d5741a0a020cdff529ee8d0154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.243633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581/manifest.json
observed 7996960485a7d0d20b87a3978e387bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.225380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581/publication.md
observed bc0436255522591ba91e1344b2b22966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.208056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069581/publication.txt
observed ff82f55ad2b173b23a8a893f0cde9230...
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.