OpenTechnical

OT-2026-000025295

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000025295) never changes.

Identity and time

Publication numberOT-2026-000025295 · never reused
Internal UUID01a0ae71-5fa6-75e6-b70f-7f8ce65ce7f8 · 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-2026-000025295
StatusPUBLIC

Content hashes

Canonical text59ea91470b4a293d18510dd5c57b86ae755d502e04acbdb0745202d465e39934
Markdown3df7f625eacb0382f8aee967f605895772753d7ec23fbd5e17739f8909c41c44
PDF
Publication page848e062fdf249e2133d2b16b04fb01ef05e19b51019499c0490633939154d52b
Manifest18733a6192b8b80aa4b4a18bd1fe374c017ba845de6732ba418fbbd8325cc8f4

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
Signature6k2doRdmoUHDJ+nx1NMiXMt+JaUTZgvFjOkWpQ0ebYuM63nCheL92gY5Vn5qN/oJWO5h7YWtmOdAUIjTVeiwCQ==
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

2026-09-17T11:47:18.705218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025295
observed 848e062fdf249e2133d2b16b04fb01ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.687427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025295/manifest.json
observed 18733a6192b8b80aa4b4a18bd1fe374c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.670295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025295/publication.md
observed 3df7f625eacb0382f8aee967f6058957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:18.651057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025295/publication.txt
observed 59ea91470b4a293d18510dd5c57b86ae...
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.