OpenTechnical

OT-2026-000085747

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000085747) never changes.

Identity and time

Publication numberOT-2026-000085747 · never reused
Internal UUID01a0ae99-aaae-7001-813d-69afc817ae2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085747
StatusPUBLIC

Content hashes

Canonical text9865ae1a6fabaee2e2f5d585c13e88386c09e0178553e43b2c0f680eddc796b1
Markdown51eddba479996d7cbaed6d9ef95a1b77e26d9ca4eb2a02760220fa9c49cd02ba
PDF
Publication page942bb1931a4f164ea08a76c0d13cf5c53b4ac7885d5fae5e088fdc2ac5085910
Manifestc8a3435ddcaac63539d119a4279d8d0905991c1a5b1190e3caa54170eccf301f

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
SignaturexWfBGoDUKSKy9vGZiWsJjoMiSuvXgvOaXj5oMpQpIgJMCTztEy4IpddvrB7mRZwF5HzwpZrlovjGZah8JgtwBA==
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

2026-09-17T09:54:39.838878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085747
observed 942bb1931a4f164ea08a76c0d13cf5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.820957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085747/manifest.json
observed c8a3435ddcaac63539d119a4279d8d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.804333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085747/publication.md
observed 51eddba479996d7cbaed6d9ef95a1b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.784252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085747/publication.txt
observed 9865ae1a6fabaee2e2f5d585c13e8838...
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.