OpenTechnical

OT-2026-000069474

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069474) never changes.

Identity and time

Publication numberOT-2026-000069474 · never reused
Internal UUID01a0ae90-b52a-7076-a82d-b3ce1a884691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069474
StatusPUBLIC

Content hashes

Canonical text0a29a741f57058e4d78ae10712ef0aca87c562fef1b57c723d322013142c1b24
Markdowne22e2f389fcb257ab01b46878e4942987a464658b069639fa4ef7ccf9fc68388
PDF
Publication page398bcd6c6bce98dce60797a7391308944a37e7d93c9745eaee8d93e7e8d10c98
Manifest357331cd89d0eae25ed406586226c98f781d190346cf214e2c18bbbe67b52267

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
SignatureHzoZ2DFvHu4JrA+SILO7yHCDXAwog5BVDfWBtWnAoDKTgX6Kz30zgcU6UvMd7wSvmvo/iZIJRtvuOcStxXWTBQ==
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

2026-09-17T10:30:33.053443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474
observed 398bcd6c6bce98dce60797a739130894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.035064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474/manifest.json
observed 357331cd89d0eae25ed406586226c98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.015367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474/publication.md
observed e22e2f389fcb257ab01b46878e494298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.995691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474/publication.txt
observed 0a29a741f57058e4d78ae10712ef0aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.784743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474
observed 398bcd6c6bce98dce60797a739130894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.765673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474/manifest.json
observed 357331cd89d0eae25ed406586226c98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.745303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474/publication.md
observed e22e2f389fcb257ab01b46878e494298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:05.724634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069474/publication.txt
observed 0a29a741f57058e4d78ae10712ef0aca...
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.