OpenTechnical

OT-2026-000091131

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000091131) never changes.

Identity and time

Publication numberOT-2026-000091131 · never reused
Internal UUID01a0ae9c-f16b-7e63-b9e3-7a46cb86f319 · 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-2026-000091131
StatusPUBLIC

Content hashes

Canonical text9d6d7b05a888b5bfce433ace573fe35c8690a2ddb26499c5148b07dfee1a0bef
Markdown215eb9f8e7ca69592dbc190fafa643cc07452d1c52156735a443197c01d338c5
PDF
Publication page4093ae7ab60a2952406f7b7610359e13b49eaeb9901b16515e4865f8bac471f2
Manifest310f0fe37b11aafb37792554b6912645f95674bacaeff8a1380176ea1842d92a

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
SignaturecIlPzc7QFGo8nLkT8LLWaX3NCKm9QFoilO+jcWi9eOa5MpybPDhUEO4Hu0VYIObLGCwRkpUOLxy80ZOgEcQrDw==
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

2026-09-17T09:43:17.288968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091131
observed 4093ae7ab60a2952406f7b7610359e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.273087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091131/manifest.json
observed 310f0fe37b11aafb37792554b6912645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.256370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091131/publication.md
observed 215eb9f8e7ca69592dbc190fafa643cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:17.240531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091131/publication.txt
observed 9d6d7b05a888b5bfce433ace573fe35c...
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.