OpenTechnical

OT-2026-000034616

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000034616) never changes.

Identity and time

Publication numberOT-2026-000034616 · never reused
Internal UUID01a0ae76-1ed1-7455-89d0-8b79b8bbf38b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034616
StatusPUBLIC

Content hashes

Canonical texte8dc8c109f8f774eb6bba2954ea4343265dce2fa013e41ab152479cedeaf136a
Markdown9ab676a63254665ad43cbfa9f6199da2b1ea9381e2201c288f3f29760346de8d
PDF
Publication page08134fbaf69cb5cd362df0b495531d96ee161a8136e2ac58c1f9ec660feddc84
Manifestd71d070f247ba6ad96aa2e107b779bb9557401d6819b35b46f41011f1b5e4a23

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
SignatureewOZWGTJqq4iV7fPqaV06C/y9xzLgsJIWRTArnBFzugJ+6G0iMRYBjIEhwvkiodIYCbgiezU185n3HDJwz6jAw==
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

2026-09-17T11:28:59.893591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034616
observed 08134fbaf69cb5cd362df0b495531d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.876466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034616/manifest.json
observed d71d070f247ba6ad96aa2e107b779bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.859140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034616/publication.md
observed 9ab676a63254665ad43cbfa9f6199da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.842355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034616/publication.txt
observed e8dc8c109f8f774eb6bba2954ea43432...
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.