OpenTechnical

OT-2026-000063148

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000063148) never changes.

Identity and time

Publication numberOT-2026-000063148 · never reused
Internal UUID01a0ae8c-94aa-71cd-a6a6-6269484b22e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063148
StatusPUBLIC

Content hashes

Canonical text8eae7dcf73f8ae01dc05d24bc77a1e585b93aacfd9327ea2a0f14def2838f9bb
Markdown38bb7e13698b87be9566526181bf1ed36b7a9ceeb37574be1ef4b99529c3f5b8
PDF
Publication page0dbc82fd9057948c4128bcd0384612c15ab823cce59e0a36e05d31b029f8e2e1
Manifest87a506cf4c2d80ecc63b9b417e11354704184c09c73e06a8b66e482c92d39b47

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
SignatureHFuAxwuf3mBgiGKHFh4SzBWFjPy0MnDWCqgw+xVyxHj/AGj7L8NenWor9fJAHQzuAJ0x8fvK1W591vzfYkGZBQ==
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

2026-09-17T10:38:56.053409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063148
observed 0dbc82fd9057948c4128bcd0384612c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.037132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063148/manifest.json
observed 87a506cf4c2d80ecc63b9b417e113547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.020000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063148/publication.md
observed 38bb7e13698b87be9566526181bf1ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.003143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063148/publication.txt
observed 8eae7dcf73f8ae01dc05d24bc77a1e58...
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.