OpenTechnical

OT-2026-000075043

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000075043) never changes.

Identity and time

Publication numberOT-2026-000075043 · never reused
Internal UUID01a0ae93-ac2e-7bd3-857c-8aadfa18d429 · 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-2026-000075043
StatusPUBLIC

Content hashes

Canonical text9114d582d4ac376e7949d5f6cc337e158fd0d8513c21bada513a62bec961413b
Markdown9de7728bdcc301a8343a6256db66f51ddff0de3165684f77a6bd4747f2b56701
PDF
Publication pagebf0c0bab09dc9e0c2636c58bfa6446d8a59c069fdb5674fc99eba2fb4252883e
Manifest93a3a066b3cd6102becfed3fb7c4d42d0f9ab36ed5b57943fe9869ea8257e3a4

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
SignaturefjyXF0JotXPJ5rMjfPbu09Gs78AXg/4ehVtzLohTmPKwPlPC4flVgtEmcso+Twb/AAoCzoluoNEqt5UYVyicCA==
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

2026-09-17T10:18:51.494595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075043
observed bf0c0bab09dc9e0c2636c58bfa6446d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.477243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075043/manifest.json
observed 93a3a066b3cd6102becfed3fb7c4d42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.459761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075043/publication.md
observed 9de7728bdcc301a8343a6256db66f51d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.442899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075043/publication.txt
observed 9114d582d4ac376e7949d5f6cc337e15...
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.