OpenTechnical

OT-2026-000104487

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000104487) never changes.

Identity and time

Publication numberOT-2026-000104487 · never reused
Internal UUID01a0aea5-3422-796b-9493-eadadf7b8b6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104487
StatusPUBLIC

Content hashes

Canonical textaa5398c14f6bcd57f3859191db0d0e22c8155ccaa01379ebe7f66c8c0cf60136
Markdown24afe73c1b54c44878076d200cac9611a4bfec1e6bbcdc11c812326cc17850af
PDF
Publication page838d0269ca8e99b264f61c0f6d8be57ea3e1fd695da2d3663e1fbba5623f3bd3
Manifest989d2532c1820d1b954c7322d78bede4b9a8701ece7d02e466ffefb0e6bcf395

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
SignatureVnp75CQs30MScGQMzAz81Mxoatbd18ctjlsb7h4bE77fmVIVYAGsUPYLUc6v52rnCzlqCQ3ZVQuYqgfmfNtsBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:46.628775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104487
observed 838d0269ca8e99b264f61c0f6d8be57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.609960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104487/manifest.json
observed 989d2532c1820d1b954c7322d78bede4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.590906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104487/publication.md
observed 24afe73c1b54c44878076d200cac9611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.572693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104487/publication.txt
observed aa5398c14f6bcd57f3859191db0d0e22...
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.