OpenTechnical

OT-2026-000057311

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000057311) never changes.

Identity and time

Publication numberOT-2026-000057311 · never reused
Internal UUID01a0ae87-d5bc-73aa-b805-f7ed3dbe3a43 · 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-2026-000057311
StatusPUBLIC

Content hashes

Canonical text13212ad8a1ce89bc6c89726ff34ad609a267a655540907eb856aad785421993e
Markdown9150c91a28970e889f8bbeaf2a108ed6846bea29c434573f08c067a01a4c5cd0
PDF
Publication page5c3e3f3da95cb35dbdb944f9b590befa59b568d9a39aec19e34bd749dfbb5fc0
Manifest7ab1bf2759a5c3ff3e545cf81339c1eb60e293b508703d97b661c067b8373305

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
Signaturej2rhPppAAcP1w+aIt+oXYl6T5EXcDBr6XGIJJ/xQ7IzzlAjk1g2RnnUDJ0yTYMuLpoYyC4ZzeOh0xKU/U/hZDw==
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

2026-09-17T10:50:25.158656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311
observed 5c3e3f3da95cb35dbdb944f9b590befa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.140338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311/manifest.json
observed 7ab1bf2759a5c3ff3e545cf81339c1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.123609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311/publication.md
observed 9150c91a28970e889f8bbeaf2a108ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.106157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311/publication.txt
observed 13212ad8a1ce89bc6c89726ff34ad609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.454174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311
observed 5c3e3f3da95cb35dbdb944f9b590befa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.436690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311/manifest.json
observed 7ab1bf2759a5c3ff3e545cf81339c1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.418440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311/publication.md
observed 9150c91a28970e889f8bbeaf2a108ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.398083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057311/publication.txt
observed 13212ad8a1ce89bc6c89726ff34ad609...
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.