OpenTechnical

OT-2026-000062020

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000062020) never changes.

Identity and time

Publication numberOT-2026-000062020 · never reused
Internal UUID01a0ae8b-b8af-76b2-a5c9-02a61e7658a5 · 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-2026-000062020
StatusPUBLIC

Content hashes

Canonical text13009e7f14f92232ff1965fd919644008abc094d4faec322d38d2d3fc823d459
Markdown8caf54787c0a34ada93533995848597accf5fd2702578dddace174c27477045e
PDF
Publication page70953e1732090fa178f171a67e8b55b8288781af967dfc8954b406d827075f57
Manifest48f3817b6021ef888c976950978babe1b118553678700701679ef0f76a5b8ca6

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
Signaturet45vdqkXwowcoKZ7Bzf7s4wZJ99D+hLsy35nmtEW3B+35TUBUwrJcIdtVVuujQ+QCkUp4CnmPFy2K9WcBcnLCw==
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

2026-09-17T10:41:03.121469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062020
observed 70953e1732090fa178f171a67e8b55b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.101852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062020/manifest.json
observed 48f3817b6021ef888c976950978babe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.081478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062020/publication.md
observed 8caf54787c0a34ada93533995848597a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.060783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062020/publication.txt
observed 13009e7f14f92232ff1965fd91964400...
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.