OpenTechnical

OT-2026-000101020

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000101020) never changes.

Identity and time

Publication numberOT-2026-000101020 · never reused
Internal UUID01a0aea3-c377-78de-8630-02f76afaac4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101020
StatusPUBLIC

Content hashes

Canonical text77e153b8a2fea6d6f096c6809f8650f8432e8282a82ba3cbd8c8cd8260973d16
Markdowna64592beb47907701f7fcfa590d227e0f8c72bc411880cb7bb6be8254ef135fa
PDF
Publication pagefa53997fff2127ec22add0dd4d85fd76b2231cb267bc8d7071e011762ee1f852
Manifeste3755d0fd8b3ae8516946d3d9997f8ee13d0e23c47dfa2c237ef46f0bfa2a8f1

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
Signatureouk/ljMjtA8CsfAx+XqxAwgYFbyFDLz/avKVyvv8KGw/mdYhS1i4pdyH3rwU4ajJsmmtDHCmsgIHmIlpGkHdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:37.492898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101020
observed fa53997fff2127ec22add0dd4d85fd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.475597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101020/manifest.json
observed e3755d0fd8b3ae8516946d3d9997f8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.457120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101020/publication.md
observed a64592beb47907701f7fcfa590d227e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.437783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101020/publication.txt
observed 77e153b8a2fea6d6f096c6809f8650f8...
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.