OpenTechnical

OT-2026-000025159

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025159) never changes.

Identity and time

Publication numberOT-2026-000025159 · never reused
Internal UUID01a0ae71-5fa5-77f8-a05f-d2d821f4d5de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025159
StatusPUBLIC

Content hashes

Canonical text9ea3d2ff53d2ced71c21727d49bd5bc9aeaf421dbe1a2a5a07190c231557bf09
Markdowna20fe42ff34302cf89d1b2f7b1a0e7db6af916228b330296e4f05c0beccba723
PDF
Publication page4a0a2ebfe59d2b686bef3759f054386271b776dc7f5c2c948202fd8f9449298e
Manifestfd514d6cad9dd03072a2db65e45d633fdc20752d41a7a4dd842f99482feac118

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
SignatureA/XybiJnYpS4gjGG56k3RYHxA6jxG4WdsD/jNSf7s62LAIPcKGWrFivHFcivfwF+OBDkGyLMHdtb65EDSxM7Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:02.883801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025159
observed 4a0a2ebfe59d2b686bef3759f0543862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.860344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025159/manifest.json
observed fd514d6cad9dd03072a2db65e45d633f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.834729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025159/publication.md
observed a20fe42ff34302cf89d1b2f7b1a0e7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.818490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025159/publication.txt
observed 9ea3d2ff53d2ced71c21727d49bd5bc9...
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.