OpenTechnical

OT-2026-000031692

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000031692) never changes.

Identity and time

Publication numberOT-2026-000031692 · never reused
Internal UUID01a0ae74-bad0-7543-9e85-c9943486080e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031692
StatusPUBLIC

Content hashes

Canonical textd1fb3d18df61d8c739f95dc6ba2bfcc9248da48767fe80b1192e6e2cf72d3231
Markdownada8b47dc19d9b0b0ea8cc962915ac6757bd3f717d6fbd03e78b4a756056b321
PDF
Publication pagea1a737b4ad1737719bb4a30dd7e6658145af7c0e309d3b578e3f8898509afb43
Manifest140c852d8c008ac028e452f862728a4fcbbf7f0ac6b255c93248a094ca548b22

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
SignatureEH8s98A72VwhZMrvM1bSGlRdwOeutGPaF5ruIevk4ykGLiJV/e0SR6jSZWNazsRqu2mzYZ7w+UThnNcepmvQAg==
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

2026-09-17T11:34:47.815114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031692
observed a1a737b4ad1737719bb4a30dd7e66581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.794944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031692/manifest.json
observed 140c852d8c008ac028e452f862728a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.778341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031692/publication.md
observed ada8b47dc19d9b0b0ea8cc962915ac67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:47.761485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031692/publication.txt
observed d1fb3d18df61d8c739f95dc6ba2bfcc9...
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.