OpenTechnical

OT-2026-000100151

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100151) never changes.

Identity and time

Publication numberOT-2026-000100151 · never reused
Internal UUID01a0aea3-3052-77e1-886c-8739b0b94041 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100151
StatusPUBLIC

Content hashes

Canonical text63b475b6844d08030880a42b824412c383e8520f42080e642fe17de3c5ccd553
Markdownd6d33d68ad03ed71caed4a26e430298091a3d5b51a0a8dbcffe7ca6ecbf1c939
PDF
Publication pagec2be8632d4544cd82cc166f0b2103fcbd168ab1a697173c3738d0e5e79f90831
Manifestb698819231c1e2472d0e35d1e35fce2941a4c89fe713a3559908e5d42d7e0d02

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
SignaturexK9cw40OgwAcUkmidPIk4sHOAUPbfBtWqHwk0bmkXTJduicWi6axk9EbwAuP0av0DZQbOBzVxkNKuH82k/K+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:51.391201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100151
observed c2be8632d4544cd82cc166f0b2103fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.373334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100151/manifest.json
observed b698819231c1e2472d0e35d1e35fce29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.353024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100151/publication.md
observed d6d33d68ad03ed71caed4a26e4302980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:51.333376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100151/publication.txt
observed 63b475b6844d08030880a42b824412c3...
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.