OpenTechnical

OT-2026-000016407

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000016407) never changes.

Identity and time

Publication numberOT-2026-000016407 · never reused
Internal UUID01a0ae6e-2d12-72b6-8a6b-900e7dae6a05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016407
StatusPUBLIC

Content hashes

Canonical text2a430f696089acb97fb5d6f88592c23400e47d54b8a52f47ba2f3b6157e85927
Markdown209a53c32888b89f88b85202c49eee3507294851f32aa14951f163c88a69546b
PDF
Publication pagefe877604cc1b15f2c1b5b2cb678cdb11df56ee2e7576f3436d6a85124845bf8f
Manifest765ca19deac87c855c93b871d672aa67dafdbe6e0e61ef194774d33487f7bbe9

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
SignatureyW9e+g7XzeNtD9KMS8NPz39CUOfER3FrEUxpiqBN6Pbb08St2tEE8kkgYgUROnTUSkiRuzPHPRUwRZf0L11JDQ==
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

2026-09-17T12:04:29.591310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016407
observed fe877604cc1b15f2c1b5b2cb678cdb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.571139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016407/manifest.json
observed 765ca19deac87c855c93b871d672aa67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.553590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016407/publication.md
observed 209a53c32888b89f88b85202c49eee35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.536324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016407/publication.txt
observed 2a430f696089acb97fb5d6f88592c234...
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.