OpenTechnical

OT-2026-000025620

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000025620) never changes.

Identity and time

Publication numberOT-2026-000025620 · never reused
Internal UUID01a0ae71-9bc9-71dd-bfb6-671fce6487a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025620
StatusPUBLIC

Content hashes

Canonical texteaa1912cd3ec3a3b99912ec0f567a3e637c144dea927544b676c762ff2a10c21
Markdown985d719968e203ae1ad471a225a72cba11b002fb5a78db2b08a7d876334e7160
PDF
Publication page22d9ac33651b7027eac7d6c787879e4688fa7811b5acfd9221b669e3e490cf9b
Manifest5758798778071f23e272f975a99230ed7ac6fedcbe826d0fbc2dd27455d95712

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
Signature3LoCmBUrS1UiILQmDv1hNa8A0mwI9eRYta/sCLMB8IfKfwTLADhEAWefEol9cqTE5SZaQIfwHHjyB9YgIxr4Cg==
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

2026-09-17T11:46:48.642380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025620
observed 22d9ac33651b7027eac7d6c787879e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.621632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025620/manifest.json
observed 5758798778071f23e272f975a99230ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.602632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025620/publication.md
observed 985d719968e203ae1ad471a225a72cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:48.583822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025620/publication.txt
observed eaa1912cd3ec3a3b99912ec0f567a3e6...
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.