OpenTechnical

OT-2026-000084609

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000084609) never changes.

Identity and time

Publication numberOT-2026-000084609 · never reused
Internal UUID01a0ae98-e25b-764e-b36b-21e1431373d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084609
StatusPUBLIC

Content hashes

Canonical textf4dac54a66765db1645e66c57bf76fe69a2bbf9727ec351158b1e4ef1f476afd
Markdownc6da851704cfff7bbcf3efa9facee4ca0ea2499c0f7788edd387f384c659f2da
PDF
Publication pageb93acb9cb1d28b106d1efac5dadd6dc0753f88af7510a9f5ce98b09e91136245
Manifest21bc49c0830296f87b951b1b2a7d64ee033c1207512eeb6be1032ef19a0208b8

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
Signature+Qb/mJ9gdXo5ncTFvJ30/SjOsqFwX4Pc2rv0gJBuOfDBYBpOjxd16J4wMeOB/I5bDSa+pozjZgGKKFB+H46KBQ==
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

2026-09-17T09:55:31.142722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084609
observed b93acb9cb1d28b106d1efac5dadd6dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.124365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084609/manifest.json
observed 21bc49c0830296f87b951b1b2a7d64ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.107467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084609/publication.md
observed c6da851704cfff7bbcf3efa9facee4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.088981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084609/publication.txt
observed f4dac54a66765db1645e66c57bf76fe6...
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.