OpenTechnical

OT-2026-000050651

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050651) never changes.

Identity and time

Publication numberOT-2026-000050651 · never reused
Internal UUID01a0ae82-c7b0-751b-91a9-f98f75993abe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050651
StatusPUBLIC

Content hashes

Canonical texta79ed7f6ab3a1c3109bbf20f175759296dbcc3571a019119a33aec7ddcb7eecb
Markdown2370c0dbf0e5d5fcab3c26c6efd21453864e82e628a4d53423d93c3db83ca49c
PDF
Publication page35933962f3263713eb0aa89d4591ca1b42a4a8fe17e2a6fa657f5e629a367aa3
Manifestbe23ab3864f60fd1eb5e6440a901b266cb6a30b4a55189c99787ce2dd06a584a

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
Signature02aErrKz05GWTDYt7bg1Ek+fjSy8xpokrusQKXwzCr11vXnqZezo6h2ltWUOS6o77CfRWEHJTHJI1IbAwzuICQ==
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

2026-09-17T10:59:20.969043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050651
observed 35933962f3263713eb0aa89d4591ca1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.948114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050651/manifest.json
observed be23ab3864f60fd1eb5e6440a901b266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.930177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050651/publication.md
observed 2370c0dbf0e5d5fcab3c26c6efd21453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.910605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050651/publication.txt
observed a79ed7f6ab3a1c3109bbf20f17575929...
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.