OpenTechnical

OT-2026-000091323

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091323) never changes.

Identity and time

Publication numberOT-2026-000091323 · never reused
Internal UUID01a0ae9c-f16c-7816-9f16-9fccb958d8b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091323
StatusPUBLIC

Content hashes

Canonical text5c3c1e4cf8c392d99900ed896b0a054223e7cbe5cb4d39d73329e0f96d1a189e
Markdownc7052544aa17e93246d7db494e8769fcbb259ac15ac23596e9cd56978087a39d
PDF
Publication page2a8ae17b7172d99a13ee4c0a726c5fd4a45839827dc7797eeec13c15451a040c
Manifestfcf5a949ebb8bff65fb4b99f8463733cb336a4d62c54a43b9d0b69bac6c74cb2

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
SignatureGpwbQ5jAWGM7FI/t0SUM/PwBq8xan2D3rCKYtxD2im9Oxycz2yhsGRFFBANlmvqY1apotbdRaxBjFFnHSWCrDQ==
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

2026-09-17T09:43:31.581898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091323
observed 2a8ae17b7172d99a13ee4c0a726c5fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.563820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091323/manifest.json
observed fcf5a949ebb8bff65fb4b99f8463733c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.546284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091323/publication.md
observed c7052544aa17e93246d7db494e8769fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.529904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091323/publication.txt
observed 5c3c1e4cf8c392d99900ed896b0a0542...
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.