OpenTechnical

OT-2026-000089138

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089138) never changes.

Identity and time

Publication numberOT-2026-000089138 · never reused
Internal UUID01a0ae9b-db00-7755-8704-e47b8dc492d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089138
StatusPUBLIC

Content hashes

Canonical text36cac16a0ebba8fe54e4d8e599ca6b7bd1bb001f1a52606070227652e4ecbc80
Markdown992b53530478891c6cb5198169591bb20c84f8b35521aaed56667cde4f7a5f9c
PDF
Publication page103cbb723c257926eb296ce990a8d3059268a2f6422824806fc9e3afff7b21f0
Manifest42199d557d3a8f24ec03724c89869edd29912e5690ed30bb17ea07280884ea88

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
SignatureSPu+E14ZP9znAn3nvzs5e6snKH3aEpQ1BVfxux0emTqBqFBB5jOEEFZEThpPMfqFIMX9zJ7J4NPZeSbErzPqBg==
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

2026-09-17T09:47:03.404549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089138
observed 103cbb723c257926eb296ce990a8d305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.386970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089138/manifest.json
observed 42199d557d3a8f24ec03724c89869edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.370073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089138/publication.md
observed 992b53530478891c6cb5198169591bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.354759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089138/publication.txt
observed 36cac16a0ebba8fe54e4d8e599ca6b7b...
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.