OpenTechnical

OT-2026-000071153

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000071153) never changes.

Identity and time

Publication numberOT-2026-000071153 · never reused
Internal UUID01a0ae91-e0eb-7127-8ab5-5e5921191ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071153
StatusPUBLIC

Content hashes

Canonical text746ca189917db33d9bf76c2034d40542c391f6999d30e0018114c3a7c9189eec
Markdownb1ff488ca68d6ba4317c71a14cd5a13a379acc854c1a98257fd87df441c3d8cd
PDF
Publication page73f9d42b86d1778f25296b683d0170bd29d80302cd164bc74ed6779fc48253a6
Manifest7318d34a8049e451a4bd82825fe4f1248b8d1ec2447a056e380cfb960bd52995

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
SignatureRL720rxZQG7//zz+krRd7FxTz/wP7VChItUYOtWDJuutRiwVHYKobCRNrUzrPNqVSLpHCbpHeLGLgBuW7XjKAw==
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

2026-09-17T10:24:39.527349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071153
observed 73f9d42b86d1778f25296b683d0170bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.510920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071153/manifest.json
observed 7318d34a8049e451a4bd82825fe4f124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.495463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071153/publication.md
observed b1ff488ca68d6ba4317c71a14cd5a13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.479655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071153/publication.txt
observed 746ca189917db33d9bf76c2034d40542...
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.