OpenTechnical

OT-2026-000040685

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000040685) never changes.

Identity and time

Publication numberOT-2026-000040685 · never reused
Internal UUID01a0ae79-6d0f-7cec-9062-ba279681674a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040685
StatusPUBLIC

Content hashes

Canonical textfcbd7e853c35dcc030bf19cb5a244da6b6ce4b33ccd52256a68db54c72cfb1fa
Markdowna1183c8b65d268eb374665ed778aafcf46f0b413947f44d38a2cb1107d468461
PDF
Publication pagec2db9805615747325d3bfd788a2fcd6d743466a9ea68a49d2de816ec38543b89
Manifest46f886891077541dda921b036610970707231338cf3e0e5e6594373bd3302479

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
SignatureH9Hm8jiCj0DPxyvogW5mcE27y2DbNFJlDn0QI0JZWCFr5sSdYeih6DDghPBfdWxPvRRhGz7jwSH9L868nXTNBQ==
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

2026-09-17T11:17:52.901217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040685
observed c2db9805615747325d3bfd788a2fcd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.883620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040685/manifest.json
observed 46f886891077541dda921b0366109707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.864764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040685/publication.md
observed a1183c8b65d268eb374665ed778aafcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.846388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040685/publication.txt
observed fcbd7e853c35dcc030bf19cb5a244da6...
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.