OpenTechnical

OT-2026-000030503

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000030503) never changes.

Identity and time

Publication numberOT-2026-000030503 · never reused
Internal UUID01a0ae73-e504-7285-8c9c-3cd9f3557873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030503
StatusPUBLIC

Content hashes

Canonical text6e915390ddb05447e02356a2a4a194504a846576500682e67d539e86a3dacaad
Markdownfd74972817d570c7374610a0c9bd1d4c10266eda8819c253e080f3f8c941cd2e
PDF
Publication page5b51b575bc5d25bfaae5e85ba45f5c12b84e1b12dc379ec0b597ac56dca23b8d
Manifest7de70fdec023b12b47f1e576c88dd75332d78b3e807d59824175f98c46d4ab79

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
SignaturemltFnCKZxIRNtUVIiN8Dejb5/iSg5N2nA5poZTAIsruCBqbhZmBwo8YI6vrrCA4AdNQvyK54qH3Jxxfa/x9xDg==
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

2026-09-17T11:38:21.555621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030503
observed 5b51b575bc5d25bfaae5e85ba45f5c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.539450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030503/manifest.json
observed 7de70fdec023b12b47f1e576c88dd753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.522554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030503/publication.md
observed fd74972817d570c7374610a0c9bd1d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.505208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030503/publication.txt
observed 6e915390ddb05447e02356a2a4a19450...
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.