OpenTechnical

OT-2026-000071597

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000071597) never changes.

Identity and time

Publication numberOT-2026-000071597 · never reused
Internal UUID01a0ae91-e0ee-7bc4-a481-fb40dbff9950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071597
StatusPUBLIC

Content hashes

Canonical textfb3f8a0aac0c053a630bc532c4a9717c18b4e64ae3ae48922d8cdaf01d717ef4
Markdown9479321294bd89ed56935aacd63abbcd4be43345844591c8f5e7c34b08635a73
PDF
Publication paged6e1d61210bd83451c4deed4ca1f19a2e2c8003a59f59421c8c1845350661a04
Manifest4c906b21dc508562ef56c6de64da34065d06e0413ec3c56b934b637dd515568b

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
SignatureWwGuA435cXP9eZ71inEeSye+MaDHgg2RGbE0wZiQ09wCM8OU7t2yiIfTD2lKcx605RVaKsh/Jkdegrv6SiT6AA==
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

2026-09-17T10:25:14.773451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071597
observed d6e1d61210bd83451c4deed4ca1f19a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.754885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071597/manifest.json
observed 4c906b21dc508562ef56c6de64da3406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.738523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071597/publication.md
observed 9479321294bd89ed56935aacd63abbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.720442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071597/publication.txt
observed fb3f8a0aac0c053a630bc532c4a9717c...
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.