OpenTechnical

OT-2026-000034629

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000034629) never changes.

Identity and time

Publication numberOT-2026-000034629 · never reused
Internal UUID01a0ae76-1ed1-77e6-851c-2487132cd1b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034629
StatusPUBLIC

Content hashes

Canonical texte87762a60ac0ec66664c286f3254c79b4cd894e122e8e4493f5f3f8f78da23c6
Markdownae77f564fcfe9ca506cb519651ff87e463ad3e57b1c165e537a9caa7c5de14eb
PDF
Publication pagececec2df4fed1e00044a245b5cf0e175a01849832b4174e85ac26530075d7d60
Manifestd412525f38e3ff7f9955ee920de97dc8c459ab9fce5ccc9bc1ecb5a614f1d393

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
SignatureTOXp3gf6w8JFt74JrPHxgeWqROqrIdPgYsSxUOzqNbnw1i1MWVeNtg6P2tHwq66jS/Wq3crGYV7qAw0b3aL+AQ==
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

2026-09-17T11:29:00.904007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034629
observed cecec2df4fed1e00044a245b5cf0e175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.886927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034629/manifest.json
observed d412525f38e3ff7f9955ee920de97dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.871960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034629/publication.md
observed ae77f564fcfe9ca506cb519651ff87e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.855761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034629/publication.txt
observed e87762a60ac0ec66664c286f3254c79b...
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.