OpenTechnical

OT-2026-000078405

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078405) never changes.

Identity and time

Publication numberOT-2026-000078405 · never reused
Internal UUID01a0ae95-7c28-7769-9eb4-021719a50ebd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078405
StatusPUBLIC

Content hashes

Canonical text7c4b6a5884a68e5d01104500bb2d22cd2dbf96f36dbb994e914dff4da7cf31ad
Markdown9d5cb0f29127404de39b80718f6a1a4f9179434e29a5248501b7791fdd392dfa
PDF
Publication pagecf6eae4bfe4afb903fdaece82402363e5569316a08ef8f090116de70f96db377
Manifest4c31007470b7b057be0bdbfdc3814c67e3ac6dbf110ba360da4ec9db4a601ef1

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
Signature3k/IrXoN4S5OuIJ6zwDePKNIPcPWvxJ+ceIPdd5hDOytQb245wIUFws1libIS5qJ0/9fU8yqUfC/OKGGncYYCA==
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

2026-09-17T10:06:23.824539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078405
observed cf6eae4bfe4afb903fdaece82402363e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.803985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078405/manifest.json
observed 4c31007470b7b057be0bdbfdc3814c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.783851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078405/publication.md
observed 9d5cb0f29127404de39b80718f6a1a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:23.764602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078405/publication.txt
observed 7c4b6a5884a68e5d01104500bb2d22cd...
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.