OpenTechnical

OT-2026-000089213

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000089213) never changes.

Identity and time

Publication numberOT-2026-000089213 · never reused
Internal UUID01a0ae9b-db00-75ef-8d3e-cc0ae3da65cf · 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-2026-000089213
StatusPUBLIC

Content hashes

Canonical text42a50fb7b121bba00f45c0f4d635cd7159f78a7fabc3ae46581794426d7ba78e
Markdown5f9f339d627c58e0df18fbb06b1ad006da3dcaed0a6793f704690f2425038d78
PDF
Publication page89917e59e8d3fb78f310fa00fce6f7dfde87d1ac30f3b4c339cc5c8371f0697f
Manifest9d46dac9971ffb6db808c9603529a371e5f13f8cfd1e377de356bf1d4442fb7f

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
SignaturettbYHRZoftKT3YhfeDMUKnnJo0wE8kwcJLHBSZxNNC6ZH+69AslOqRu3cwK2Tq+XVkAzsyjYDRHpceCt0dckAw==
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

2026-09-17T09:47:14.109950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089213
observed 89917e59e8d3fb78f310fa00fce6f7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.092222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089213/manifest.json
observed 9d46dac9971ffb6db808c9603529a371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.075064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089213/publication.md
observed 5f9f339d627c58e0df18fbb06b1ad006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.057611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089213/publication.txt
observed 42a50fb7b121bba00f45c0f4d635cd71...
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.