OpenTechnical

OT-2026-000058647

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line 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-2026-000058647) never changes.

Identity and time

Publication numberOT-2026-000058647 · never reused
Internal UUID01a0ae88-f39d-7bee-8dab-db82056f2ceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058647
StatusPUBLIC

Content hashes

Canonical textdccb68c3a9290ff0eb138a1182ef1ee615a46f0335e69bb6b7601571d88897c9
Markdown9449d1f38c11553b03dc02f8ac1ded9ca1bdcb743da6d2f33e7faa8c2655a25f
PDF
Publication page72b694e66bbcbe2a2b9fe1b64784b0837da2623022b87583413c7087f5b70164
Manifest00df3cefb977a0ad1eb11f7d016be4887250f8a524cc27ff1b086528be880e9e

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
SignatureL3RoGXYnQNc39ZLWNIAjG0e64ITlcShS+f3Q+7DoOQdcrJIezIhirCPsxi/KKTnN6athjgFPfrNxsvlMz/jODg==
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

2026-09-17T10:47:09.607945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058647
observed 72b694e66bbcbe2a2b9fe1b64784b083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.589978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058647/manifest.json
observed 00df3cefb977a0ad1eb11f7d016be488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.571893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058647/publication.md
observed 9449d1f38c11553b03dc02f8ac1ded9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.553175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058647/publication.txt
observed dccb68c3a9290ff0eb138a1182ef1ee6...
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.