OpenTechnical

OT-2026-000079125

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079125) never changes.

Identity and time

Publication numberOT-2026-000079125 · never reused
Internal UUID01a0ae95-ccbf-79e9-b016-3277e85d08d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079125
StatusPUBLIC

Content hashes

Canonical textf23c009e3066e2658c855cf7be3c62900e1aed37580111426bfe24e2b24a88a3
Markdownd65973cb67c0f4e5884a783acd514e2f0589a4ecfef4fefb653db52f249b4d3b
PDF
Publication pageaa98af3e19aed325a60d3543ec7a1a83a7284ce1db4ca2b49f72e2440bf49061
Manifestb064f8aa93d816c4b8c004769a719873348903a79375e868d897d6275389962a

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
Signature3TRi0E2FPuGoVUD6CFdZQYqHyxpKeX1HP/HN2JxhiAeI0lhck5d2y64o+tASn/AjTuOXsjrkYxn1r9G/ZmKzBw==
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

2026-09-17T10:05:58.416988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079125
observed aa98af3e19aed325a60d3543ec7a1a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.398967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079125/manifest.json
observed b064f8aa93d816c4b8c004769a719873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.381026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079125/publication.md
observed d65973cb67c0f4e5884a783acd514e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.363890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079125/publication.txt
observed f23c009e3066e2658c855cf7be3c6290...
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.