OpenTechnical

OT-2026-000039475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000039475) never changes.

Identity and time

Publication numberOT-2026-000039475 · never reused
Internal UUID01a0ae78-9675-7c65-a213-ec9aa9ceaaa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039475
StatusPUBLIC

Content hashes

Canonical text2a9ceb2d120f0864c201de3fc7f5642914c5ddebb01c6179389691b0ec69d13d
Markdowne4bb96c797a609ce8919ac25ee3991e604ce0518cf2dd0340fc255f1337723fc
PDF
Publication page067fa8d01c78beb2f5cd7b486e95a9db29486f846b8ab81a09940411b5e738ea
Manifestdbdee023312a276c28f755185ef965e08a4f5f122ae061980fbaafb23a4c66a1

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
SignatureLXjd0U8KvPgwiq6G9+uhBBSz6BCkQVY9eBGxzMhagaUyn15I42oQFz6Ye38G0pMLqIe3bsM3zEeYE+Vo2OBDAQ==
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

2026-09-17T11:21:05.944872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039475
observed 067fa8d01c78beb2f5cd7b486e95a9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.928357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039475/manifest.json
observed dbdee023312a276c28f755185ef965e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.911639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039475/publication.md
observed e4bb96c797a609ce8919ac25ee3991e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.894105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039475/publication.txt
observed 2a9ceb2d120f0864c201de3fc7f56429...
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.