OpenTechnical

OT-2026-000038312

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038312) never changes.

Identity and time

Publication numberOT-2026-000038312 · never reused
Internal UUID01a0ae78-2d51-7b61-9fb4-122aa227aa44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038312
StatusPUBLIC

Content hashes

Canonical texta3231acc5fe1d82c6326d524c16db5a6f62a52c8f80b4bc27c353d955a10abfe
Markdowna15654231b3970db7602479e8615b21425385bf7fa39bd5da88dd5e8c68fed96
PDF
Publication page63a4ab1f91a0034588c52cc4e60ea1bb4e44ed03e633eb3d906a0bfdeb9c1322
Manifest1e3ccb5d0a04997702259053463dea10fe912e16b8c00471db5b6c340a65b28f

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
SignatureUIQEPTtqvzkd4uw5IoT5novg9jXZIB2rS89PcG/Ix3DWCBUdiO3i/CsVQWOVTbLAIeNYeGklqteiruy6u6mRBw==
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

2026-09-17T11:22:29.262563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038312
observed 63a4ab1f91a0034588c52cc4e60ea1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.240689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038312/manifest.json
observed 1e3ccb5d0a04997702259053463dea10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.220619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038312/publication.md
observed a15654231b3970db7602479e8615b214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.201651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038312/publication.txt
observed a3231acc5fe1d82c6326d524c16db5a6...
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.