OpenTechnical

OT-2026-000087771

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained 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-2026-000087771) never changes.

Identity and time

Publication numberOT-2026-000087771 · never reused
Internal UUID01a0ae9b-1aa4-7114-826a-431bbd7273b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087771
StatusPUBLIC

Content hashes

Canonical textb7d410285fd05ebee57a27e5135531a577b651a30a13c43023e36903f52c625e
Markdown5b2754213db76cdc2274973349f854f2d94dcc1a0d3641e2a3772c0323c45a80
PDF
Publication pageea1b60497190c1a14d62d6ac88ae89498d5fec7b38d34ef7b156e8538dff66fe
Manifest2054c271bba902b85d6e199723cbcb52db487920c2629097681e3c24066c3cbf

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
SignatureHq8L6VTMzVERyrpJT9qSJk882h6A4z0SP923T/naxYz+DX8QiY6fubK++8aAuHVZspA3xt+Qpi5yMpcVeJ23Cw==
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

2026-09-17T09:48:58.429965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087771
observed ea1b60497190c1a14d62d6ac88ae8949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.412492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087771/manifest.json
observed 2054c271bba902b85d6e199723cbcb52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.396127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087771/publication.md
observed 5b2754213db76cdc2274973349f854f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.378424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087771/publication.txt
observed b7d410285fd05ebee57a27e5135531a5...
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.