OpenTechnical

OT-2026-000077615

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000077615) never changes.

Identity and time

Publication numberOT-2026-000077615 · never reused
Internal UUID01a0ae95-2ece-7a8d-9114-c14084ebab7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077615
StatusPUBLIC

Content hashes

Canonical text847fc3907660b2a89a24143579bd3f1a88bfe290956bc72a1144488514b1ed8f
Markdown0ed75a31214bb0df9f02c0a672830fc5552d1dd014a3ec924c111e2b915513c1
PDF
Publication page0baf8e5d3eadf736d75816fc19dabd3753e893025b5b9aa36276d85d1d7f79a5
Manifestfc4102988a8a6cc6b0a2a9fd27c345510032cdd083773eabbb1d3017c8635c41

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
SignatureFBd91b42r9TUs8d6drRGHk/Yd5wLajT01DZRnQi+ipMKxKPK43G0sayjCUyP2PgfHjo7ovk60Ho5yGQBmOkYDw==
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

2026-09-17T10:07:10.563740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077615
observed 0baf8e5d3eadf736d75816fc19dabd37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.543841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077615/manifest.json
observed fc4102988a8a6cc6b0a2a9fd27c34551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.523040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077615/publication.md
observed 0ed75a31214bb0df9f02c0a672830fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.502132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077615/publication.txt
observed 847fc3907660b2a89a24143579bd3f1a...
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.