OpenTechnical

OT-2026-000070985

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line 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-2026-000070985) never changes.

Identity and time

Publication numberOT-2026-000070985 · never reused
Internal UUID01a0ae91-8c2e-7acd-a127-b979881f1612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070985
StatusPUBLIC

Content hashes

Canonical textd1ef09ffca2bf3daf401d636c3ec769ad8d3144cd4d1984f000647e1951145d1
Markdowne3ddcbb60feffcc602932c752456490416153a2e8a25a8af16f4aef754884cf9
PDF
Publication page58a64dde161506d2bf6c845a05aaa17156c3835929a2b4babf36d3cc1d29bcb1
Manifest55e81992d3f8b8f57fae06ccd693517620f63acf876b34c5dd82466bf7dcbcc7

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
Signature+7npphT+r1Pvc5EbQ7/uNYIIHqfv5612gssVu5+qPHfElAlqCv0rKKQ9f8G4Rtu8yjT8Hi5JU7C+OyirPituDQ==
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

2026-09-17T10:25:49.690092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070985
observed 58a64dde161506d2bf6c845a05aaa171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.673413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070985/manifest.json
observed 55e81992d3f8b8f57fae06ccd6935176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.654506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070985/publication.md
observed e3ddcbb60feffcc602932c7524564904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.635759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070985/publication.txt
observed d1ef09ffca2bf3daf401d636c3ec769a...
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.