OpenTechnical

OT-2026-000060920

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000060920) never changes.

Identity and time

Publication numberOT-2026-000060920 · never reused
Internal UUID01a0ae8b-12f2-75e6-baf8-41811dfb0a23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060920
StatusPUBLIC

Content hashes

Canonical textde18357ee494aa617b2ad00b0a08726ce60a649dd8ab8db4823324ddcc718711
Markdown7226f371921ed3e03f468b103e9268f6038c81320ad2258394b9e9c6ad2d8c95
PDF
Publication page727fb1e414a953ebe9ebf0fdde87bde274f7906fa1448e0b970ead178d96a00a
Manifestbfc34a21ef3aa565bbdf936ac030b24aac0ab5a5d729df4ceae840f0e1abc2a1

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
SignaturepM9djV7RZf3QjRUR5+qhf01cDvRibLcxQuv/KXB5w8jel/5j4uRutWOocFon5oic7hjUSDk9iHR9+J515XyTDw==
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

2026-09-17T10:42:11.241154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060920
observed 727fb1e414a953ebe9ebf0fdde87bde2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.224104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060920/manifest.json
observed bfc34a21ef3aa565bbdf936ac030b24a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.206556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060920/publication.md
observed 7226f371921ed3e03f468b103e9268f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.187449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060920/publication.txt
observed de18357ee494aa617b2ad00b0a08726c...
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.