OpenTechnical

OT-2026-000043047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000043047) never changes.

Identity and time

Publication numberOT-2026-000043047 · never reused
Internal UUID01a0ae7b-3278-7fc1-8e34-36e5565922ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043047
StatusPUBLIC

Content hashes

Canonical texta8e6a504e59a53a260d68a13ed42131d0ad3e84398bbba63ce96322559425b3b
Markdowne526f90a540ee4acbe3cb3db273c58fd3682440eeb3e6b1e8eb94554feb043b3
PDF
Publication page0a0df5c54984eb5105b76d45db6e0283f285e4d0c7e6252a6a40710827e2c2c6
Manifest128716dbadef882ba8cd2367c565e71281a172d31937dbbd12bd49fd15ec088a

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
SignatureEDQFGGbNpC20I3e1OP47Dsu3B4an/CHoBfvLspTzLYoAst+5f4qb4a8by5+Pa7f3JiLId3y7YhGMEyTioIsLCQ==
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

2026-09-17T11:13:27.132871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043047
observed 0a0df5c54984eb5105b76d45db6e0283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.114129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043047/manifest.json
observed 128716dbadef882ba8cd2367c565e712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.094524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043047/publication.md
observed e526f90a540ee4acbe3cb3db273c58fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.076909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043047/publication.txt
observed a8e6a504e59a53a260d68a13ed42131d...
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.