OpenTechnical

OT-2026-000093571

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000093571) never changes.

Identity and time

Publication numberOT-2026-000093571 · never reused
Internal UUID01a0ae9e-508b-7e87-9fa6-14e6a0d0cb88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093571
StatusPUBLIC

Content hashes

Canonical textc0eec9478ca155eec4709fbb78def2bfcf7340fc6985d39c25fcae8c7c2d375b
Markdown6b5a62cea5639267f65fe1d4460d5a3b490d3443a52b160e95bb4e3d17109931
PDF
Publication paged307cdfed92bbe4fa156f0f48174f15a1420a470ac0eba876e8e00381c8b8d1d
Manifest03a15e1a0c422a0ebd7ea590b6ac2026cbecee1eb1eacfb5982c3cb356661b66

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
Signaturefghc8+opmX1HI4Bkkw/vIhWG858ehjK10ve4s8enRRw62tb499q3ElCFLIxfAFbEEMkunZFQAcFXVIiB91+CCw==
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

2026-09-17T09:39:36.183426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093571
observed d307cdfed92bbe4fa156f0f48174f15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.166208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093571/manifest.json
observed 03a15e1a0c422a0ebd7ea590b6ac2026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.149115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093571/publication.md
observed 6b5a62cea5639267f65fe1d4460d5a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.131838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093571/publication.txt
observed c0eec9478ca155eec4709fbb78def2bf...
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.