OpenTechnical

OT-2026-000011480

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000011480) never changes.

Identity and time

Publication numberOT-2026-000011480 · never reused
Internal UUID01a0ae6c-88ff-76a6-bf23-0ac43cd72aad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011480
StatusPUBLIC

Content hashes

Canonical textb0c306bf1538cc2c330e4b01bb1798be921e2bbbd2f604d889f12bc1e9e1d3e1
Markdown1e74a423111e74f26656ade323b87c5a1d239368dc7cdd47aec825b7adcc555c
PDF
Publication page94ff46333700f43886cec23e10200ccd643a99f4ade3fcb0bc094bd1d8047fdf
Manifest51bf101d2c482816e0d0eeb1fcf853b8ff39171196a217044aaeda029b3d23cb

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
SignaturepSEyBDbHsPja7gS04zusdBJtjtINb+YrSYw4ihBghGgu0A9aBNMVXvYL10zjkHdkUWn63HES+YJwB3FWum/yAw==
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

2026-09-17T12:13:15.106705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011480
observed 94ff46333700f43886cec23e10200ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.087215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011480/manifest.json
observed 51bf101d2c482816e0d0eeb1fcf853b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.069190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011480/publication.md
observed 1e74a423111e74f26656ade323b87c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.050946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011480/publication.txt
observed b0c306bf1538cc2c330e4b01bb1798be...
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.