OpenTechnical

OT-2026-000035490

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000035490) never changes.

Identity and time

Publication numberOT-2026-000035490 · never reused
Internal UUID01a0ae76-b4c4-78bb-937f-aa43c6afdbfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035490
StatusPUBLIC

Content hashes

Canonical textc070ac3ff3d003ac0a9fa7b337d543f16e069b90aa5ed068b8d48c8e8ab781ad
Markdownde0cd8e32d4ee1ad6bc32fcd9e7a640b271a07197572b4969d4e387bf9f79257
PDF
Publication pagee8813cd8a076199b7f3bc86355dc6681c9dccf9ffce3048ddb8a7502e6b775b2
Manifest07089a9e3913c34422f1e9b7f76e3f832f57cee14471f86a0a3e9181462c42a9

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
SignatureI3tNGsQW8yN/XpXkyAOnBgtCzOGTIC9QEkM/QMbq14aUTmSzfoyfcZ2IoKIVUZgJQdMdUhc0neI09t6M+bPxAg==
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

2026-09-17T11:26:54.276331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035490
observed e8813cd8a076199b7f3bc86355dc6681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.258011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035490/manifest.json
observed 07089a9e3913c34422f1e9b7f76e3f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.240014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035490/publication.md
observed de0cd8e32d4ee1ad6bc32fcd9e7a640b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.222884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035490/publication.txt
observed c070ac3ff3d003ac0a9fa7b337d543f1...
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.