OpenTechnical

OT-2026-000074793

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000074793) never changes.

Identity and time

Publication numberOT-2026-000074793 · never reused
Internal UUID01a0ae93-ac2c-7303-8aab-5c7b4a60b23e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074793
StatusPUBLIC

Content hashes

Canonical text1f24444be14bbb28e94702bec4231bfccb9b3c4d32f64a32407226c604c8da80
Markdowna79f3fbe48ff618e385d71f7c4bd239c4065e069f8cf8cd2ae67a0d052d47aad
PDF
Publication pagea84a29e08f7299df077bd52dbe16512e4de7aae37bfbe03bdef5090c5a0a8e1c
Manifest074e06fef57ecc2d06404ada4be064da54495eeafcaa8f149a52992a1c31c7a2

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
SignatureqjFP69FI0FUcybrvZi90b361yXYkQBBUCU79KFwQOHbLtpcHq67QarGP4MN6klHN31swMpdlvMtRL+A2yc4pDw==
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

2026-09-17T10:18:29.705503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074793
observed a84a29e08f7299df077bd52dbe16512e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.687601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074793/manifest.json
observed 074e06fef57ecc2d06404ada4be064da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.668941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074793/publication.md
observed a79f3fbe48ff618e385d71f7c4bd239c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:29.649834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074793/publication.txt
observed 1f24444be14bbb28e94702bec4231bfc...
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.