OpenTechnical

OT-2026-000008727

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000008727) never changes.

Identity and time

Publication numberOT-2026-000008727 · never reused
Internal UUID01a0ae6a-e46c-7245-ac5b-62be70ee1e4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008727
StatusPUBLIC

Content hashes

Canonical text0feb9f26603cef572a396f6f0d2d46150b43f258b997523ccfb96af2ca9fbc7b
Markdowna93383d6ab24595e982d1a2d04ec0e54a14c2b89273d82bc6528ba4fa1cba14b
PDF
Publication page3947c494546017b8cac45ef130fd2a1cf1d80169aa497c4d0607c2c1b4a5f81c
Manifest4d0a290ff1bde092f5e089193bead17441e64c678d98fcc0633f10e12bc3e6ae

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
Signature6zGLC1DhhY3a+MMQzDMkqpCs6JlXmpLZKoBtBsIjfDALoL+KJHHjm7RbCr0HLsELnYh43QDFgKU2Nc6E2sxHDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:48.645929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008727
observed 3947c494546017b8cac45ef130fd2a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.627699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008727/manifest.json
observed 4d0a290ff1bde092f5e089193bead174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.610245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008727/publication.md
observed a93383d6ab24595e982d1a2d04ec0e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:48.586590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008727/publication.txt
observed 0feb9f26603cef572a396f6f0d2d4615...
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.