OpenTechnical

OT-2026-000057321

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000057321) never changes.

Identity and time

Publication numberOT-2026-000057321 · never reused
Internal UUID01a0ae87-d5bc-782a-9895-f67c0b465ad1 · 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-2026-000057321
StatusPUBLIC

Content hashes

Canonical textf7719931451ab0de2c83179b38a44da96076e43b2efbd38a30bb8b9b3923eef7
Markdowndf7fc4cbeb4d2e5bd6140de05aab33b39ad8724c268f55f11624ab9b0d8eeb43
PDF
Publication pagea4290c2ba93c4c38d5572a1887482bf115817790d37de7d837d33305cfc0da7f
Manifest07984c3142166d3b561ba75239c578643663e278e2263eb13f31b7db2c54abcc

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
Signature0Np7UgVGg+9USWOELtzQp9NVfcv785qvcDNrXZ1/qyBUzSy5w1dxpEXl9dE1zaQ3Mg40E6e4Xoe/UwmudeQoCQ==
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

2026-09-17T10:50:26.029274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321
observed a4290c2ba93c4c38d5572a1887482bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.011207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321/manifest.json
observed 07984c3142166d3b561ba75239c57864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.992838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321/publication.md
observed df7fc4cbeb4d2e5bd6140de05aab33b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.974179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321/publication.txt
observed f7719931451ab0de2c83179b38a44da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.284276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321
observed a4290c2ba93c4c38d5572a1887482bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.266529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321/manifest.json
observed 07984c3142166d3b561ba75239c57864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.248038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321/publication.md
observed df7fc4cbeb4d2e5bd6140de05aab33b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:35.229966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057321/publication.txt
observed f7719931451ab0de2c83179b38a44da9...
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.