OpenTechnical

OT-2026-000062012

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000062012) never changes.

Identity and time

Publication numberOT-2026-000062012 · never reused
Internal UUID01a0ae8b-b8af-7d51-a0c1-90881920c6a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062012
StatusPUBLIC

Content hashes

Canonical textaca87f527cf86843167bc0af31fdafa7fc978b0a3b68bca7a3de862540e0e2aa
Markdownb34c88bcb63d39f82427fb021a4d243c07ebdb5f8aa8f21ec2faaab0cffbdca2
PDF
Publication page3ebf4fe1886191f43e595478f6929d036785f6d7375373ad170fb5ce0862f679
Manifest72b0a61ce3b7d4bfb4ea41e90cce0b59d6357643d27bd25478246a8f866da31c

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
SignaturenFoXZZFVEr4zqeWic9KQx7VSjboxyh2FKkPEwx7jygnFrcV/I0zObEvqLjwS6fMe7w9RQxufJScZFHTqVQhHDA==
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

2026-09-17T10:41:02.429341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062012
observed 3ebf4fe1886191f43e595478f6929d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.409782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062012/manifest.json
observed 72b0a61ce3b7d4bfb4ea41e90cce0b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.390110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062012/publication.md
observed b34c88bcb63d39f82427fb021a4d243c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.369813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062012/publication.txt
observed aca87f527cf86843167bc0af31fdafa7...
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.