OpenTechnical

OT-2026-000050571

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050571) never changes.

Identity and time

Publication numberOT-2026-000050571 · never reused
Internal UUID01a0ae82-5c49-7e03-afb5-36fe34a0fb81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050571
StatusPUBLIC

Content hashes

Canonical textb0e780168ef95a8c89446cf78aa7317781b77dddeacea9f9733aff9230694207
Markdownca88a53600322b556d873a3c6ea39f7477131a019db9064e72770808b5afa8fc
PDF
Publication pagead9d74f833db1d545a7d2374985eb51f56fc53a5a530097902e5a480124ab006
Manifest491a4d384d594c02a1c7e95cf9221108bd920cd79e05dcdafd93e86bd1d58ce0

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
SignatureY5dG4QQwWb7GapXgiyCsYULqGUmqEh8xRb0BVAqiyyb+hWHi85C90TQm52mPc5Vr9gAl5/EWZ+d3mU5ReyFaDw==
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

2026-09-17T11:01:40.314448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050571
observed ad9d74f833db1d545a7d2374985eb51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.298689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050571/manifest.json
observed 491a4d384d594c02a1c7e95cf9221108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.283173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050571/publication.md
observed ca88a53600322b556d873a3c6ea39f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.267195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050571/publication.txt
observed b0e780168ef95a8c89446cf78aa73177...
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.