OpenTechnical

OT-2026-000025819

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000025819) never changes.

Identity and time

Publication numberOT-2026-000025819 · never reused
Internal UUID01a0ae71-a83e-72c2-b20d-56ec81a2d8b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025819
StatusPUBLIC

Content hashes

Canonical text606bd7400d9f5075a36abdb10f75a833def70dc853e92a2507cf55175caed3fd
Markdown8a2e481edc2b443342d77291ee3aba07fe2b496d860cd9dce8ec20d3ad86b086
PDF
Publication page2046136a95843c143173070cf15a659aabb40ab0941d6afc05fce10df5a10ac8
Manifest568a0991313bd50a3e45b7f243b71a75098e4eb6952e63e60e35dac804c4ecd9

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
Signaturea8L8rx0TcEOUjfsnz3477oifr2FG4fsm5UjcAMY8HTQnhWT4SPaTZdOyq3JwLRr0pxQOGk4m0bHXQ3OY4vNXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:02.441579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025819
observed 2046136a95843c143173070cf15a659a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.426737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025819/manifest.json
observed 568a0991313bd50a3e45b7f243b71a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.411530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025819/publication.md
observed 8a2e481edc2b443342d77291ee3aba07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.394721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025819/publication.txt
observed 606bd7400d9f5075a36abdb10f75a833...
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.