OpenTechnical

OT-2026-000022407

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000022407) never changes.

Identity and time

Publication numberOT-2026-000022407 · never reused
Internal UUID01a0ae6f-f4fd-7a34-889c-ee488d4d5f70 · 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-2026-000022407
StatusPUBLIC

Content hashes

Canonical text495ee7cac3ec297288197132da1732ae53960bc4b2f311faec6ce9435a444481
Markdown262531a60f46b9a75ad7661441955a0f5c28e3880aba98a0a606345c52c13a68
PDF
Publication page02dee187b5e562b5c00c8c3c1ec3a21fb3459da5f5f8bbc61aa4894cda194017
Manifest950bcb98d4221659a526522f47774a4914b012be74361500dfac855ca4140f58

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
SignaturekMSbaJBP6g+q4nL4Y1RTnsEIX9eJtCHsgCc+F2GbGgKdFSlkCZH2wGGVz0bipLhQfTPSkshPf9eZ6ptW8t0vDw==
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

2026-09-17T11:53:47.546296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022407
observed 02dee187b5e562b5c00c8c3c1ec3a21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.528860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022407/manifest.json
observed 950bcb98d4221659a526522f47774a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.505887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022407/publication.md
observed 262531a60f46b9a75ad7661441955a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:47.480776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022407/publication.txt
observed 495ee7cac3ec297288197132da1732ae...
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.