OpenTechnical

OT-2026-000021210

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000021210) never changes.

Identity and time

Publication numberOT-2026-000021210 · never reused
Internal UUID01a0ae6f-865b-7910-b915-3da66d19bd7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021210
StatusPUBLIC

Content hashes

Canonical text4ae1ef113a15bc2f4673dee42cae91fa3f6a626b42e8bce7de6ba382db0a3d34
Markdown47ce3742653ca2e453c8430cab351eef8513aa402bb6ae096451700919d4185c
PDF
Publication page8d0e4864ec909b76036482194c2161af8e3c4b5c115999394c3335d072c06cfc
Manifeste1b2ef945e4ed1d433b3e14663d8638d1e436db9441da9d6d8f47b18e8ca388f

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
Signature5GqkD45e7pLDsTzVHFLkMpKqm1wfUtWGL7frOrFKBJCxwGf1gqt0z8gKi7EpUHwUdaGGfl2ExCJ6Zd7iB2MdDg==
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

2026-09-17T11:55:00.618109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021210
observed 8d0e4864ec909b76036482194c2161af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:00.600959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021210/manifest.json
observed e1b2ef945e4ed1d433b3e14663d8638d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:00.581978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021210/publication.md
observed 47ce3742653ca2e453c8430cab351eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:00.562666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021210/publication.txt
observed 4ae1ef113a15bc2f4673dee42cae91fa...
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.