OpenTechnical

OT-2026-000091242

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000091242) never changes.

Identity and time

Publication numberOT-2026-000091242 · never reused
Internal UUID01a0ae9c-f16c-7493-87e1-7019a831ba04 · 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-2026-000091242
StatusPUBLIC

Content hashes

Canonical text76b2d09a1bfa29f5e00d694a36ebfdf89305507d064c8509af980d7fc3f3fd29
Markdown18586bb7f5d11f122f79f7937d56065772fa56e6b4e4479d1b39987eb1cab68c
PDF
Publication pagea9f9d1b06e2d9d92a9154f0159bbf34dcb8d110946a375ddd5e7cd8fbb8c167f
Manifest418b02c00410ab9b459b99bf7540077bca0add885c813862ad0120e538a17117

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
SignatureMVTWE0sfeG4C2EOqHpwOkspUrCrzEpUM9kfvYR11x8F3PJgzmbjFZ/1McbQ1Nn5eRhucpoSMJGseNc4bJJUkAw==
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

2026-09-17T09:43:25.010085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091242
observed a9f9d1b06e2d9d92a9154f0159bbf34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.993001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091242/manifest.json
observed 418b02c00410ab9b459b99bf7540077b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.975703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091242/publication.md
observed 18586bb7f5d11f122f79f7937d560657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.960401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091242/publication.txt
observed 76b2d09a1bfa29f5e00d694a36ebfdf8...
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.