OpenTechnical

OT-2026-000099590

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000099590) never changes.

Identity and time

Publication numberOT-2026-000099590 · never reused
Internal UUID01a0aea2-c975-7105-8d91-f6426a5924e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099590
StatusPUBLIC

Content hashes

Canonical textdc1e6c4ce58db7ae2d98bb9cbf69edb6de7b9b8d474dd8c40f5ccf50e1f2dabc
Markdown6c516ebf96aea99439d8ef286d576f404c6352ede699234952447858a6ddbabe
PDF
Publication page4dd6ce479a681dc7e0290c2ad3a46eec883af9a4fab49024726fed02b2a74598
Manifestcc54405a01ca625b1246883c26d87f98223c6cb8e183b99a66d247b4a728caf7

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
SignatureKyOhY6yho4r5AF1rioZ5DhbMSfvAL48jRzxvx122KSMNyPV+BWUCHLDAxEG4FVCCTlO3ut8n7PzOdeUlVtxuDw==
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

2026-09-17T09:29:30.832231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099590
observed 4dd6ce479a681dc7e0290c2ad3a46eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:30.814274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099590/manifest.json
observed cc54405a01ca625b1246883c26d87f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:30.794553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099590/publication.md
observed 6c516ebf96aea99439d8ef286d576f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:30.778220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099590/publication.txt
observed dc1e6c4ce58db7ae2d98bb9cbf69edb6...
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.