OpenTechnical

OT-2026-000035069

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000035069) never changes.

Identity and time

Publication numberOT-2026-000035069 · never reused
Internal UUID01a0ae76-6a1c-71a0-9288-7fbea482da6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035069
StatusPUBLIC

Content hashes

Canonical text924401bd5f99ee7c340bfb74b821ec38959cc75db29ac00cf21e1638a737bbc1
Markdown900edcad644c5dfc3cfc410e17be8fa7a504d29c25a453cb7303d3b8caab4415
PDF
Publication page38bb95c3231c4325fe34d6ae984dbf409ab6c871e636a5123e048a5f0823f2d4
Manifest8622c3c54972c60a6ce9fc049f015ffe06e46f8496c0d7bacc02ded798363df6

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
SignatureLh2FrTaikFX8nmffDkXRNienUfM/5C369wJ63KR8mcZDoK5dXXUGc5n7PE6ULPskuuRt1xhhUXII4cC8Q5p7Cg==
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

2026-09-17T11:28:07.901470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035069
observed 38bb95c3231c4325fe34d6ae984dbf40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:07.884311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035069/manifest.json
observed 8622c3c54972c60a6ce9fc049f015ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:07.865806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035069/publication.md
observed 900edcad644c5dfc3cfc410e17be8fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:07.845732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035069/publication.txt
observed 924401bd5f99ee7c340bfb74b821ec38...
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.