OpenTechnical

OT-2026-000060431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000060431) never changes.

Identity and time

Publication numberOT-2026-000060431 · never reused
Internal UUID01a0ae8a-b7cb-7389-b92d-66950f667e59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060431
StatusPUBLIC

Content hashes

Canonical textca2caa5015d5497db21d6ff3cb34fbb4192c5c165bcb194f5ce6b19d7c904499
Markdown5dc0a54eecb1af0da64e0be5b68d61f8d3a77d787e5d93c967a950af45032471
PDF
Publication page24c6fbcbb14adc7646a81254b28d89b160d718778dff70a82e18aba9c236208f
Manifest877392340157ca2eec15cd0f6780743579e1ab0c5f667027742b233cdac98ac5

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
SignaturerICxN1N5q/ZyWlZmU1rqw9B3Vgf5NXTMED0YKsFrk6coILZYffAHV/NxdcHWA+COiwXginUbgt9u75XY4rmxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:54.447325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060431
observed 24c6fbcbb14adc7646a81254b28d89b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.429309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060431/manifest.json
observed 877392340157ca2eec15cd0f67807435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.412307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060431/publication.md
observed 5dc0a54eecb1af0da64e0be5b68d61f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.395366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060431/publication.txt
observed ca2caa5015d5497db21d6ff3cb34fbb4...
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.