OpenTechnical

OT-2026-000022099

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000022099) never changes.

Identity and time

Publication numberOT-2026-000022099 · never reused
Internal UUID01a0ae6f-bb5c-7fcb-9e93-85800b4208fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022099
StatusPUBLIC

Content hashes

Canonical text150fe8687bece288186223b92af12c0cf204c4aa5f8b780fec2bb777b9ebce1d
Markdown9f007ccc14d4cb880a32f0bf6dac6b2a255ef83519c92de1643cb2b6ad5f346f
PDF
Publication pageb5ab66a43f3b8183767411902e7a3e18af46bfca5949ee8801be6d81ce207607
Manifesta993ba09a94e1d8d3eecbc659b6bc9c9b5bb58cb928e0a6152e2fcce75df837c

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
Signaturew57f/uByuy48+W5eAWIGcipQ2ssgWbgLarEubBqSvkzPh6wE4YWV8Uz2+Jqynpngmzj70kdJmHb0OLfscM6mAg==
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

2026-09-17T11:54:47.932424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022099
observed b5ab66a43f3b8183767411902e7a3e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.912825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022099/manifest.json
observed a993ba09a94e1d8d3eecbc659b6bc9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.893133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022099/publication.md
observed 9f007ccc14d4cb880a32f0bf6dac6b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:47.866218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022099/publication.txt
observed 150fe8687bece288186223b92af12c0c...
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.