OpenTechnical

OT-2026-000025167

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000025167) never changes.

Identity and time

Publication numberOT-2026-000025167 · never reused
Internal UUID01a0ae71-5fa5-7f06-ba1f-778f04022ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025167
StatusPUBLIC

Content hashes

Canonical text4caa5f2e1567358c5e7a4f8cb93252e6bc5ed3f2e6af6782dda4216bc22721b8
Markdown55297b695e06ba0121a0e7b29353e334be1c277ee6cd43b58a68b527e4180818
PDF
Publication pagea1d767c274172f769c50af77c61c7797fced1b985820457d7200acc9f4db1d6b
Manifest85fa9b546e2ffa92589bbacf0f341cbce9e8e262c38175653e7aa8cef932f68d

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
Signatureae0EVD3K51QjRzBKeyHyjvXfEk41oP8Kn0+5PKjFeP4b3dMsa/7SpfiEVBVFNKiNN0W0/tCKF6tx4VrQtH2QBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:47:03.533963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025167
observed a1d767c274172f769c50af77c61c7797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.515208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025167/manifest.json
observed 85fa9b546e2ffa92589bbacf0f341cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.496910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025167/publication.md
observed 55297b695e06ba0121a0e7b29353e334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:03.477705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025167/publication.txt
observed 4caa5f2e1567358c5e7a4f8cb93252e6...
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.