OpenTechnical

OT-2026-000057291

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line 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-2026-000057291) never changes.

Identity and time

Publication numberOT-2026-000057291 · never reused
Internal UUID01a0ae87-d5bc-78dc-81af-170c8940f69d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057291
StatusPUBLIC

Content hashes

Canonical textd35d7a5640963d7e8214ce3367ee5f8f8a08151c96817ad4de00a1d9a90c70df
Markdown42898f7c27331211ba1059361e2c52583c309ce46cace58c35e824d3701508ac
PDF
Publication pagec91a4d21a2a0f312bb9802e07b1b813e91a759f775482e0dc449e17e0ac0648c
Manifestfd4d733ee3e82c43c6ea371d7a90b895337058cc6198e3295124c2008e7d3833

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
SignatureElNPaU3hp+0rV7ouU5N5wHsVYwhRNwR7mZEfQpHEc3KZ2c5hFQfogLcJ00P0z25e/ve5AoLR6krRZIN6qa1eAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:22.263521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291
observed c91a4d21a2a0f312bb9802e07b1b813e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.239093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291/manifest.json
observed fd4d733ee3e82c43c6ea371d7a90b895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.221708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291/publication.md
observed 42898f7c27331211ba1059361e2c5258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:22.199908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291/publication.txt
observed d35d7a5640963d7e8214ce3367ee5f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.868600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291
observed c91a4d21a2a0f312bb9802e07b1b813e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.848409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291/manifest.json
observed fd4d733ee3e82c43c6ea371d7a90b895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.828430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291/publication.md
observed 42898f7c27331211ba1059361e2c5258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:32.811581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057291/publication.txt
observed d35d7a5640963d7e8214ce3367ee5f8f...
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.