OpenTechnical

OT-2026-000098238

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098238) never changes.

Identity and time

Publication numberOT-2026-000098238 · never reused
Internal UUID01a0aea1-e964-7d9d-a036-4ce755595dc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098238
StatusPUBLIC

Content hashes

Canonical textbe3c99b170be5202e4f7fd6e1bb8f91e5e649a701c1a57a21b96c71b0bc514fc
Markdowneb5cea48b7916215b568e0a051c0a1cf32aad1e6dcc7944563f2918fe2d952aa
PDF
Publication pageffff01d6d7694f4da35c8af6c7148bf6a9f76b90d05fe2a8a7da15fbeb587b9c
Manifest2b371993cb649a6d37bb9e4ce6fa7b97525fe073b2d112c02db56d64cda44c03

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
SignaturekOFXYKIvc2hrUABJniEnBbKCkA1Zc+RyIGj/fhyHXMCVqnIRB4lfD2C8VOU4EfJa2rpYFp+4E3jLjfMIpw7QDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:25.426332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098238
observed ffff01d6d7694f4da35c8af6c7148bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.408875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098238/manifest.json
observed 2b371993cb649a6d37bb9e4ce6fa7b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.366362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098238/publication.md
observed eb5cea48b7916215b568e0a051c0a1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.323957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098238/publication.txt
observed be3c99b170be5202e4f7fd6e1bb8f91e...
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.