OpenTechnical

OT-2026-000080990

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000080990) never changes.

Identity and time

Publication numberOT-2026-000080990 · never reused
Internal UUID01a0ae96-b975-7ae4-b843-5710fbdcbae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080990
StatusPUBLIC

Content hashes

Canonical text8f5796c8911a075723546f33f3ca6497cd8030a41b73b932e24d8588504de6f3
Markdown9dcaf714738aa6d0b56b3bf96c44dbd9072483c94b10a2572df0fb6562225d3f
PDF
Publication pagec6137dddb4f64ba2d57988d224c9e6b6dda2d2e8dbbcec5dcb87effffad36248
Manifest696f14e8817db2587cf6223da81d303ca734b7f9218617865e28e13fcd074120

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
Signature9U3Io893fbiMvKYuOyjXqqi5CCelYUcP375X69qt3I/PCE1YpTnll745mr4quk0q8pJYBFDvCgSSA3r6pnHjCg==
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

2026-09-17T10:02:16.474171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080990
observed c6137dddb4f64ba2d57988d224c9e6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.457910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080990/manifest.json
observed 696f14e8817db2587cf6223da81d303c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.440963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080990/publication.md
observed 9dcaf714738aa6d0b56b3bf96c44dbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.423248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080990/publication.txt
observed 8f5796c8911a075723546f33f3ca6497...
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.