OpenTechnical

OT-2026-000075179

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000075179) never changes.

Identity and time

Publication numberOT-2026-000075179 · never reused
Internal UUID01a0ae93-f1ff-7782-85f3-b6d624138290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075179
StatusPUBLIC

Content hashes

Canonical text3f374474c9e0926887e7b13c6c5a23fbc1b35dc7dd4da8f910d94a0f9aeeaa1c
Markdowne13e4001e40929c743966f2ccdc6e858a11c9b363c1952435a2e88becb566249
PDF
Publication pageb02562dfe757ecfbe9c873bce02f5a5dd1371c3159096574870641ad3d8ddcc4
Manifest303f6e4edf522ee65a1f32262a74a295a6e097560c6ba3be9ae284063a593980

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
SignatureavpqKvMX0mx+omFkgLmqx/7d1bB6d0wTfdiyTtG73S4Gg8d/TXhb6HNn1/OEFnlh1oRZx/a6NSFkzLPvVdz3Dw==
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

2026-09-17T10:20:25.696487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179
observed b02562dfe757ecfbe9c873bce02f5a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.677497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179/manifest.json
observed 303f6e4edf522ee65a1f32262a74a295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.658157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179/publication.md
observed e13e4001e40929c743966f2ccdc6e858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.638124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179/publication.txt
observed 3f374474c9e0926887e7b13c6c5a23fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.548254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179
observed b02562dfe757ecfbe9c873bce02f5a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.529697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179/manifest.json
observed 303f6e4edf522ee65a1f32262a74a295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.512161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179/publication.md
observed e13e4001e40929c743966f2ccdc6e858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.494238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075179/publication.txt
observed 3f374474c9e0926887e7b13c6c5a23fb...
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.