OpenTechnical

OT-2026-000057156

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057156) never changes.

Identity and time

Publication numberOT-2026-000057156 · never reused
Internal UUID01a0ae87-d5ba-72fb-9ff2-01f4202a963c · 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-2026-000057156
StatusPUBLIC

Content hashes

Canonical text3f897ac41b8b4ab74be172f5ca857bd1635ed3116b23df36291aa29766df5080
Markdowne374515cbeb98335bf9981497c2239640adb982d14c7b230731140595fb5f220
PDF
Publication page126c92224fce4c9668f263984e542271eeec78425fb21235d23909db76e4ffc3
Manifestf9360ceccc0668296c89a5279c1502a871945ff4ff0f5345c08af71e0645812d

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
SignaturekL3byKOpKc1EXSfl2ecxfQ63fTy1xZs1vXCi0z7L5Wj0fAXhaXcjzjJl5NlpdvTM5hA7Of0GZahD5GmmCcg8CQ==
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

2026-09-17T10:50:09.897203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156
observed 126c92224fce4c9668f263984e542271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.878672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156/manifest.json
observed f9360ceccc0668296c89a5279c1502a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.861047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156/publication.md
observed e374515cbeb98335bf9981497c223964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.844422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156/publication.txt
observed 3f897ac41b8b4ab74be172f5ca857bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.200607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156
observed 126c92224fce4c9668f263984e542271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.182604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156/manifest.json
observed f9360ceccc0668296c89a5279c1502a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.163413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156/publication.md
observed e374515cbeb98335bf9981497c223964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.144110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057156/publication.txt
observed 3f897ac41b8b4ab74be172f5ca857bd1...
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.