OpenTechnical

OT-2026-000092868

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000092868) never changes.

Identity and time

Publication numberOT-2026-000092868 · never reused
Internal UUID01a0ae9d-b602-7bf0-bb01-32348da581ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092868
StatusPUBLIC

Content hashes

Canonical textb01ba0f8f84240c85bed0ae5af00257c77e008a8fbd57522e32cc032367e11df
Markdownc72d7189f7f6af99b509b2b871dd10e0d20fa5aff29176403aa60f0cacc44ed8
PDF
Publication page7c5bc26667abf9b17553286409206ea912c6873c61664066ccd08c63e1a13ec6
Manifest8c28e9875a09db3eb7fa2ed25f05ea6df42cd4adada63c41b513ff5cc22db02a

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
SignatureZorONaFUPs7imvzCIHAs9y66zEp/PjhepPjKwk8cOHQmPbvW8uMk0QWkxj0x9koUEpOW9Tw6+XSfu/7eYFffAw==
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

2026-09-17T09:41:31.759456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092868
observed 7c5bc26667abf9b17553286409206ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.741821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092868/manifest.json
observed 8c28e9875a09db3eb7fa2ed25f05ea6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.722445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092868/publication.md
observed c72d7189f7f6af99b509b2b871dd10e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.705730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092868/publication.txt
observed b01ba0f8f84240c85bed0ae5af00257c...
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.