OpenTechnical

OT-2026-000073410

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000073410) never changes.

Identity and time

Publication numberOT-2026-000073410 · never reused
Internal UUID01a0ae92-efb8-7cc6-9a70-6ca2b1c89d46 · 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-2026-000073410
StatusPUBLIC

Content hashes

Canonical text2d4a2fa924475287fcf78259fc012a16f852a3aa9e6817b15185b11ce457303d
Markdown0ef7f30647738c872c3207c54e535cb97370ab46a612b945d141b22b37a252b9
PDF
Publication page1e45e179440f666da377c238d894d20bc9a7db1f1b43ae0f755f7434584e666c
Manifest85207a8772fe4679e7586be66484057978540d91eb67eab540a71dfbae9b3372

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
SignatureQWo7kvFIVZP0KML7ki1EHvZyqkv3vxywdCxCrcd/eoaLwdUdQdE0DuG3zVR1iA6NcopSCn69I2xDnvwTWUIPDQ==
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

2026-09-17T10:21:25.019462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073410
observed 1e45e179440f666da377c238d894d20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.000898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073410/manifest.json
observed 85207a8772fe4679e7586be664840579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.981296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073410/publication.md
observed 0ef7f30647738c872c3207c54e535cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:24.959158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073410/publication.txt
observed 2d4a2fa924475287fcf78259fc012a16...
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.