OpenTechnical

OT-2026-000011739

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000011739) never changes.

Identity and time

Publication numberOT-2026-000011739 · never reused
Internal UUID01a0ae6d-1940-727a-893a-38e4b0d0dfdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011739
StatusPUBLIC

Content hashes

Canonical textc34766f27de0f39286f44d4d81787455eb0226110231a598e70d7db8440a287d
Markdown6ff26bca2d0d46b42d74c869c43618efc08c9f3609d2e3cd7c94ecca3ac741d0
PDF
Publication page2b1a34704510660ef2a1392cf1ec626ab130e33519803ca335ee1d6871df8508
Manifest7fe8e10be82c51e9d462972f4cf71654c1fe89fa24fc60da5e2f2c67150009ca

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
SignaturevlOizTUiP4MjD1cfoOyEdjufVyWoxBh6m/RgHb6ff/NfHBBhUSpjYYs9iPzxThjnEgLkdFHN1HlOMVKENhzWBw==
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

2026-09-17T12:12:26.469567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011739
observed 2b1a34704510660ef2a1392cf1ec626a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.451397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011739/manifest.json
observed 7fe8e10be82c51e9d462972f4cf71654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.430994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011739/publication.md
observed 6ff26bca2d0d46b42d74c869c43618ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:26.410788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011739/publication.txt
observed c34766f27de0f39286f44d4d81787455...
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.