OpenTechnical

OT-2026-000025787

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000025787) never changes.

Identity and time

Publication numberOT-2026-000025787 · never reused
Internal UUID01a0ae71-a83e-7acf-9e6b-64064a0bd0cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025787
StatusPUBLIC

Content hashes

Canonical text74da6e2fb139dc5075775dcf0c656ec31b4aa6e9d7d9f345d540cddefb72e7fe
Markdown6bea3298088fdb08708d7ea46e293f58e76fdbf24ea1d6904305a3aac56ab6e9
PDF
Publication page3c70990db47b237755db54536c0f6bfa3f757dcd79c461156b89c3915e9a69a4
Manifest55067271b3e1bd4909a66674381c9c3077a8f21908e51483ffdbd02dbde69622

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
SignaturecePdBbA4JXyWjxSIbqnuicG5kFXTL8+z6x/4Y3vRK9NA2gM3E6PK6M0qDqYe8wHYdrrdbk9tdqKKt+uZAUDdCQ==
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

2026-09-17T11:45:59.438316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025787
observed 3c70990db47b237755db54536c0f6bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.417443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025787/manifest.json
observed 55067271b3e1bd4909a66674381c9c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.399765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025787/publication.md
observed 6bea3298088fdb08708d7ea46e293f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:59.384140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025787/publication.txt
observed 74da6e2fb139dc5075775dcf0c656ec3...
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.