OpenTechnical

OT-2026-000086530

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000086530) never changes.

Identity and time

Publication numberOT-2026-000086530 · never reused
Internal UUID01a0ae9a-2c98-7f2f-b895-08f07ac2b736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086530
StatusPUBLIC

Content hashes

Canonical texte5958cdafa0f517ae09a9b42ca742e31f56beea008a0b37e78fa05e4c16b1323
Markdownc21c1fc4a7653596cdbbe7e4aec2801abc5b1678591cc1b41bf40b7be468d9b3
PDF
Publication page0a132036e56cf91aba887004bc4078418dd6c9bf8df0dbf122056b421442619b
Manifest9d9545f150b55cd8a4548bd55cb9505aeb86f2b31a190b810c04c9eb4a6f936e

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
Signature8VpxjnSf3PLaOtCFdvFzM4QUPsh1hEYb3u/YZFyia8sXWzDvtoSDLtsCpBoLkX/xsuxMpJehdxsJBBK47ZtdCg==
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

2026-09-17T09:52:21.273208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086530
observed 0a132036e56cf91aba887004bc407841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.223288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086530/manifest.json
observed 9d9545f150b55cd8a4548bd55cb9505a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.204275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086530/publication.md
observed c21c1fc4a7653596cdbbe7e4aec2801a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:21.166062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086530/publication.txt
observed e5958cdafa0f517ae09a9b42ca742e31...
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.