OpenTechnical

OT-2026-000042727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000042727) never changes.

Identity and time

Publication numberOT-2026-000042727 · never reused
Internal UUID01a0ae7a-c0cf-7cb7-9602-0f30d8ce08ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042727
StatusPUBLIC

Content hashes

Canonical texta14860ac35fb80d739ea4ee58d67a4625a24a8feef0ab9324f4c06c35592f967
Markdown9975fa1ca272c3a809f9c50db1929e72e0c546e9904b71372cbd6616f244b2e3
PDF
Publication page7652555f3ddafe7fb2bc2dbc39c60e1b136cf20e9e60f92e8ff687e61e1f142c
Manifest712c66b5482b725b3c3ca297319d889c81f9a8efb4a642ddc6346ec22074320a

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
Signatureg/5hoXaUspfx5/Lztf8CPoA/ALM1u098QkgLux47+HzfGJkzRQ5mOYixmMzZErp89h9luipl+Kn+xS19fcsFCg==
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

2026-09-17T11:15:10.087993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042727
observed 7652555f3ddafe7fb2bc2dbc39c60e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.069462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042727/manifest.json
observed 712c66b5482b725b3c3ca297319d889c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.050344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042727/publication.md
observed 9975fa1ca272c3a809f9c50db1929e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.030786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042727/publication.txt
observed a14860ac35fb80d739ea4ee58d67a462...
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.