OpenTechnical

OT-2026-000043975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043975) never changes.

Identity and time

Publication numberOT-2026-000043975 · never reused
Internal UUID01a0ae7b-d679-7213-a06a-79f9c51a4547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043975
StatusPUBLIC

Content hashes

Canonical text90efa9ebf1cd82c3451c2b85b2aa411d53c9e2c232fc09d6676ca413093bfb56
Markdownc416a75128e604a5d4b44b3290664872b1f3fad47414f27f06736a18eea3a934
PDF
Publication page08b6d034f96f8018263647959b24eb57abf6a0cfa17c8f8af75fa74923be3d8b
Manifest1259f4ead662164bf2411383a614574276acc50605ecebe3037faa32c0b25005

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
SignaturegAjqk9ZlZjsbp+lSFLf1exhmcQQasnPUclAt+c3zk1BjBz3OBiptTfhsMmsQK3YZw9f9Voe1izgVC165QJotAw==
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

2026-09-17T11:12:20.288876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043975
observed 08b6d034f96f8018263647959b24eb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.269226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043975/manifest.json
observed 1259f4ead662164bf2411383a6145742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.244781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043975/publication.md
observed c416a75128e604a5d4b44b3290664872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.225293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043975/publication.txt
observed 90efa9ebf1cd82c3451c2b85b2aa411d...
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.