OpenTechnical

OT-2026-000099339

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000099339) never changes.

Identity and time

Publication numberOT-2026-000099339 · never reused
Internal UUID01a0aea2-c972-7e03-bfcd-cd8fc32f2e1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099339
StatusPUBLIC

Content hashes

Canonical text757538b7d92172b83599838e485fae497ac0a38698aa8b28179870025f112f1a
Markdowndd8eec3462fcbd1fab036b5d496a6f52dc83e119821af6f6364b9a1bdb2366b1
PDF
Publication page7b10ce8c3a6f8d48ecfe72724c0d10bc63da2455aea1ccfd72a1016c961ee5fe
Manifestbd5eb148d411764cceee1cc80d43d9cef7cb1941d52b721e79e38035d48d5648

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
SignatureQQb7IDdECL3679D6GYoH15+nqFUqfol7JvmxtNqzt3SXLb148nhoz100AET+5ZBBVgXeivu1OvVDr1MAD/1mCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:05.203267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099339
observed 7b10ce8c3a6f8d48ecfe72724c0d10bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.182745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099339/manifest.json
observed bd5eb148d411764cceee1cc80d43d9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.161320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099339/publication.md
observed dd8eec3462fcbd1fab036b5d496a6f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:05.141702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099339/publication.txt
observed 757538b7d92172b83599838e485fae49...
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.