OpenTechnical

OT-2026-000031175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000031175) never changes.

Identity and time

Publication numberOT-2026-000031175 · never reused
Internal UUID01a0ae74-87ab-730b-9154-a18e911e9042 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031175
StatusPUBLIC

Content hashes

Canonical text3d5535ea0531e3cc95dc358f3cf0f6773743d1e589f39ce5088dc3df72fad36c
Markdowncbcf9c59175e23962325f2a17f1ea74ff0294b831c9e779f65b8609c2d70bcae
PDF
Publication pageefada0c2760931b339f2ea23cdb28afd712a3cd8c6a4fc1281deebdc15eb71e8
Manifestb53847ddb312535c1221a21f4d89386a0b18d20be6b4c34d10ec32f8f95dc19f

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
SignatureeZoDIPApQ06tPlPF7zGKeQs7kThHlpufZn/2QyVO/SEKEsJ4k98rXuAm5zdbkdOQQ+z0PV6LHLWFwJRMuhdKCA==
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

2026-09-22T12:41:09.814973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175
observed efada0c2760931b339f2ea23cdb28afd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-22T12:41:09.751439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175/manifest.json
observed b53847ddb312535c1221a21f4d89386a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-22T12:41:09.696269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175/publication.md
observed cbcf9c59175e23962325f2a17f1ea74f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-22T12:41:09.627584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175/publication.txt
observed 3d5535ea0531e3cc95dc358f3cf0f677...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.718983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175
observed efada0c2760931b339f2ea23cdb28afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.700904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175/manifest.json
observed b53847ddb312535c1221a21f4d89386a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.682927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175/publication.md
observed cbcf9c59175e23962325f2a17f1ea74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.665242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031175/publication.txt
observed 3d5535ea0531e3cc95dc358f3cf0f677...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent