OpenTechnical

OT-2026-000057138

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000057138) never changes.

Identity and time

Publication numberOT-2026-000057138 · never reused
Internal UUID01a0ae87-d5b9-7ff1-a5b8-1e7cba0916c6 · 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-2026-000057138
StatusPUBLIC

Content hashes

Canonical text962c06e878e95e7c7bc6f7d1b0ae8c070ef8ccfc0966bdc8816aedbccc04ed07
Markdown815ffdf9b806a3b986663187130e22e91cd7db26087e92df3afd67bd5ded5980
PDF
Publication page5e134dda54498849641f9cbd9888389ff65f375e374a3829dc5e329d6363d30b
Manifest05beb7f5434b92734537068ef07a71331775c183963bc0e0cda1431f3a37fc4c

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
SignatureNxxM+Be9JUMgWHM3EvIhpIRdQqhTnJSM7gMstgXD5SUG18/rwxRktB/OoMlZ2va2ait7DUD5CoxxMrnXEAQiAw==
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

2026-09-17T10:50:07.207328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138
observed 5e134dda54498849641f9cbd9888389f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.185451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138/manifest.json
observed 05beb7f5434b92734537068ef07a7133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.165615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138/publication.md
observed 815ffdf9b806a3b986663187130e22e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.146673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138/publication.txt
observed 962c06e878e95e7c7bc6f7d1b0ae8c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.825504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138
observed 5e134dda54498849641f9cbd9888389f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.807956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138/manifest.json
observed 05beb7f5434b92734537068ef07a7133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.789541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138/publication.md
observed 815ffdf9b806a3b986663187130e22e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.769479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057138/publication.txt
observed 962c06e878e95e7c7bc6f7d1b0ae8c07...
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.