OpenTechnical

OT-2026-000067021

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000067021) never changes.

Identity and time

Publication numberOT-2026-000067021 · never reused
Internal UUID01a0ae8f-14fe-7d50-9a26-c07a1c5ef4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067021
StatusPUBLIC

Content hashes

Canonical text480068c6eb89c72a20192a93fde9d30c1c75c645f435cf0b156d80a34cf9ba68
Markdown533b39420cfe1a14887ea3b43e56d450a594e1ea73a91dbc640dece58713407d
PDF
Publication pagef9e8a35e1bd388880dbd77645887fbf2befd73db88b687eb2ab6433a72015365
Manifesteab00dfca78f562fa3974465d67e368df33b47a6c1141c9b64e0cf45e7cd5203

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
SignaturedjV0RwwI0AGBzMzkGTkhkG/y1a4KkRRqaBHiUECT6ozXEH9TVFp+1xobLPxQIxn4zdbW0k8A/eNa0o2NnwgNBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:15.253888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067021
observed f9e8a35e1bd388880dbd77645887fbf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.237044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067021/manifest.json
observed eab00dfca78f562fa3974465d67e368d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.220865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067021/publication.md
observed 533b39420cfe1a14887ea3b43e56d450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.205302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067021/publication.txt
observed 480068c6eb89c72a20192a93fde9d30c...
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.