OpenTechnical

OT-2026-000091656

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091656) never changes.

Identity and time

Publication numberOT-2026-000091656 · never reused
Internal UUID01a0ae9d-43b8-7098-9b23-3f0186928351 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091656
StatusPUBLIC

Content hashes

Canonical textc36a738563a83a1576ad0ef7a7911e32f998ddf0a2a08113c830a2b363f8d1c4
Markdown937ab58f29d56bbd7012772ef91fcbf78668b87a3484a30b191aa7dd21faccb0
PDF
Publication page8f1cce23be8e3bcf7c8b378ff7458bf024ef752db61abaecabe141c7b26439b7
Manifestda6c16bddf5a65a20da7492f585946ac048a17af51d09bf6a00bbd5218c5b849

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
Signature3CV55TF8YTTLkiWAjdfMsjG3KH14xvS00xxv0Wj1UdoQnjMCdhUbDI5DW1SpMlyMo4aCBnKezgbQ/ceWd6W2Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:01.840831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091656
observed 8f1cce23be8e3bcf7c8b378ff7458bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.823034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091656/manifest.json
observed da6c16bddf5a65a20da7492f585946ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.804777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091656/publication.md
observed 937ab58f29d56bbd7012772ef91fcbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.786440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091656/publication.txt
observed c36a738563a83a1576ad0ef7a7911e32...
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.