OpenTechnical

OT-2026-000007578

Publication integrity record

Single cup vacuum gripper, single 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-2026-000007578) never changes.

Identity and time

Publication numberOT-2026-000007578 · never reused
Internal UUID01a0ae62-4df8-776a-9fba-011f732febfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007578
StatusPUBLIC

Content hashes

Canonical text282a048624c006e62b8a82df12f6c100e0e0e8f570493f7e480a908399dceafc
Markdown086f2aa15a41b83d2a24ef4ff79afbffe02f0c0ebf9b0ad7799509e5c1f8d4aa
PDF
Publication page3bc9aa3f63668647861fb67488b81891f51a0fbb678267e2d7d21d25ef575af9
Manifest390ef02ae318a0cf0503600e8d23541da0a2dd59b7170bcd44a449d0c55e7b46

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
SignaturezmPa/MXBem6yaj7cx7kKXGjLtC0hAFFATrctg63HOXEKM3xmQCyEx2ZCS0RUwB1hhM4+94mlfmXaHVmFGXawDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T12:20:52.872839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007578
observed 3bc9aa3f63668647861fb67488b81891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.852628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007578/manifest.json
observed 390ef02ae318a0cf0503600e8d23541d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.824441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007578/publication.md
observed 086f2aa15a41b83d2a24ef4ff79afbff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:52.802358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007578/publication.txt
observed 282a048624c006e62b8a82df12f6c100...
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.