OpenTechnical

OT-2026-000050454

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000050454) never changes.

Identity and time

Publication numberOT-2026-000050454 · never reused
Internal UUID01a0ae82-5c48-71ef-a2e7-1c970e199894 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050454
StatusPUBLIC

Content hashes

Canonical textc7386a6c4e7d7dde239fa3f5a05d4fa6f3649438e22edfd53a0703a9c3ff22f1
Markdown6dcc145aa7148da24ac633a665184bc75375860c16bb4a27bd99be2b7ca65714
PDF
Publication page8261394cdd77f5cd916af99141cab8260d7b1ccaf753db88fbc51c77cb3a80fb
Manifest673d310dbf4cafb8e83ccc730165f0d8e7a98b6fe98972344431d6715fccdd2b

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
SignatureC+GWXS1FbBrg5egp4VvpFyt0yshFkkqAy7gY65wjaPQOFjUpfg5GA7eDxFII2nZlkB/lzlmQxukQh0eYn3DGDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:30.239038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050454
observed 8261394cdd77f5cd916af99141cab826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.222261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050454/manifest.json
observed 673d310dbf4cafb8e83ccc730165f0d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.205541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050454/publication.md
observed 6dcc145aa7148da24ac633a665184bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.189139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050454/publication.txt
observed c7386a6c4e7d7dde239fa3f5a05d4fa6...
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.