OpenTechnical

OT-2026-000019761

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000019761) never changes.

Identity and time

Publication numberOT-2026-000019761 · never reused
Internal UUID01a0ae6f-1fb4-7039-aa46-d2c158b3451c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019761
StatusPUBLIC

Content hashes

Canonical textb0a35a5797e46bad604b6b870f38cf5cb7baaa91f231c597c48ffdcf315ab390
Markdown0eac15a61cbda635a2dfe338a0a2a7eaf6b18a34f435540cd9c19fa05f90a062
PDF
Publication page44c123728d32ad6926e2aad02fdc4c3c5faff19b76e8a15c525644c6082137df
Manifesta348c75012254688d258c07b280f0b3643f35a17eb00a3457e9c836a910cd34b

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
SignatureNdglmIuqbePoCDjlXnGzI6H86q2xBA+ce9RCfZTBe79B1KpQ9pYOLawd1EO2RvOeUNKTtV+mdqmxc5uFSZVJCw==
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

2026-09-17T11:57:51.753155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019761
observed 44c123728d32ad6926e2aad02fdc4c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.735438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019761/manifest.json
observed a348c75012254688d258c07b280f0b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.717303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019761/publication.md
observed 0eac15a61cbda635a2dfe338a0a2a7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:51.699566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019761/publication.txt
observed b0a35a5797e46bad604b6b870f38cf5c...
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.