OpenTechnical

OT-2026-000022595

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000022595) never changes.

Identity and time

Publication numberOT-2026-000022595 · never reused
Internal UUID01a0ae6f-f4ff-7b23-9cfa-2450ecf6155d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022595
StatusPUBLIC

Content hashes

Canonical text5402afc3b294f34e09dd81f721b253cde983f630dea4781532aceb02db4a812a
Markdown6c1db4d3a0240160b89b417ba7b4ff0c6de83c9a09fcbfb4e83b5a3dcfddd235
PDF
Publication page1da3e28da08885d2d4e01f9330a6c073e3837bb1bd684a0ec995a4d4c25ea578
Manifest5e5cfc688d62bb4b758f540df80117f9022ac7fdc1bcc865efdf5f8cfc9a0681

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
Signature8qjYje+arLiHS4pqgETe+3pN9E4e7aV9rN+BFAntvTbYGVFciifIx4W1VWD5yx20D5SjnozerNzAXGsCiLCFDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:02.457851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022595
observed 1da3e28da08885d2d4e01f9330a6c073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:02.440915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022595/manifest.json
observed 5e5cfc688d62bb4b758f540df80117f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:02.424369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022595/publication.md
observed 6c1db4d3a0240160b89b417ba7b4ff0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:02.406591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022595/publication.txt
observed 5402afc3b294f34e09dd81f721b253cd...
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.