OpenTechnical

OT-2026-000099175

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000099175) never changes.

Identity and time

Publication numberOT-2026-000099175 · never reused
Internal UUID01a0aea2-8288-7fbb-b0a2-cbefa0224663 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099175
StatusPUBLIC

Content hashes

Canonical text4fbbb6b37b48e9e64fc7472b3465144c3b8ac14727df3c773de166e302090410
Markdown60b63a6a3aadf9bb9377497c2c188f65f66083a882144c42ead2e0dd2c42170d
PDF
Publication page2a7996d3629d00d1919db67aef5fe1498982833fb22fcee7ae4da577f634a01e
Manifestdddd51e49950051c7486045c247d49cc67e6f0c095ecad6195365a6c1bb95f69

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
SignatureWLF5MwyCBLbeRRat21bvoa/PxNKL6TnUVsXubhPezuxZFMgvu3UNfm6PDWXl07bQW2pRKR5dUsCgZRTX0dYDBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:33.619211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099175
observed 2a7996d3629d00d1919db67aef5fe149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.584977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099175/manifest.json
observed dddd51e49950051c7486045c247d49cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.565918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099175/publication.md
observed 60b63a6a3aadf9bb9377497c2c188f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.511309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099175/publication.txt
observed 4fbbb6b37b48e9e64fc7472b3465144c...
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.