OpenTechnical

OT-2026-000069577

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, on a tool changer

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-2026-000069577) never changes.

Identity and time

Publication numberOT-2026-000069577 · never reused
Internal UUID01a0ae90-b52b-7c91-b4a1-02319bf2a867 · 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-2026-000069577
StatusPUBLIC

Content hashes

Canonical texte3e2aefa5c9e35e54ee0aaff78d50babd47663a2c7b134ca2097d2c43e90335a
Markdown105e7ec2e74a52cdca405af46ecfc5d09a2d9abdc08c1c97c3406b191fc5440c
PDF
Publication page0b61bd932d0ba9409c40257425e4942e9d7779fe36a10bb962000d296c77db72
Manifestdc43e507436596e17d1bc5dcb9356d316393d87af592734cb1e7b85ebf896725

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
SignaturehKje2dvPcLk7UBii0SmY51AyZXbWR2+5gtQcutePSwKGSISTknPPSRseMjqU2tebFVKJMwjFVhZJCAdrJEW1DQ==
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

2026-09-17T10:30:41.992420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577
observed 0b61bd932d0ba9409c40257425e4942e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.974199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577/manifest.json
observed dc43e507436596e17d1bc5dcb9356d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.952042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577/publication.md
observed 105e7ec2e74a52cdca405af46ecfc5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.934410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577/publication.txt
observed e3e2aefa5c9e35e54ee0aaff78d50bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.978752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577
observed 0b61bd932d0ba9409c40257425e4942e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.962502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577/manifest.json
observed dc43e507436596e17d1bc5dcb9356d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.946423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577/publication.md
observed 105e7ec2e74a52cdca405af46ecfc5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.928060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069577/publication.txt
observed e3e2aefa5c9e35e54ee0aaff78d50bab...
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.