OpenTechnical

OT-2026-000034357

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034357) never changes.

Identity and time

Publication numberOT-2026-000034357 · never reused
Internal UUID01a0ae75-df0e-7f58-9228-834069ffcf0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034357
StatusPUBLIC

Content hashes

Canonical text38abf8a70a8bcf23ac2ad9bb40747216d035a132fa4374f200bda2fa90993d70
Markdown222e24d1ecd371b0a007f0fa205ade9d55066ddaf822665d52b1806b688d10f2
PDF
Publication page3ad2f85d6a1cc1795c8c2015d8d827509b41aa1008068ec5c7a512613508a0c0
Manifest7a2d950cfe1c5d4379cd97e0276613f2a03581d1d707696b44bb48ffcf12279a

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
SignatureGLXCSMzfZMvkWrqF0079s3+ahnHQA7blDXoQy5qHiu/ibtqJArsKdY0ZBWuNUDamuNp4NSWaWy2LHG0tShnJCw==
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

2026-09-17T11:31:03.663924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034357
observed 3ad2f85d6a1cc1795c8c2015d8d82750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.644412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034357/manifest.json
observed 7a2d950cfe1c5d4379cd97e0276613f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.627598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034357/publication.md
observed 222e24d1ecd371b0a007f0fa205ade9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.602421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034357/publication.txt
observed 38abf8a70a8bcf23ac2ad9bb40747216...
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.