OpenTechnical

OT-2026-000074959

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000074959) never changes.

Identity and time

Publication numberOT-2026-000074959 · never reused
Internal UUID01a0ae93-ac2d-71a0-8a8c-cf695a49c462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074959
StatusPUBLIC

Content hashes

Canonical textc2008ce7f66964e8907b60e8d959ff65f11dd2535292023ae305580262638c08
Markdown872998d5274e8b5e9b8eea36fce98b0752d6cd1a37efe916580e01afcc39d885
PDF
Publication pagef1db3b21254eda72fd2a2c1b712c7a5c06cc32c67bd72bcb93cbbbd59a1ccc24
Manifest1d06c55848b17d316c3beb57c3fe6cb6e39674b4044f445bf3cbdc8a88875072

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
SignatureVqvy0ygUHuGdC5RrjRENQ/ZVg8+hmWLrdodrkjhWHz0tDPOLQanxwzgMhSQH7F/qIKCHwv+C2L2VZyYZzH7JAQ==
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

2026-09-17T10:18:45.499342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074959
observed f1db3b21254eda72fd2a2c1b712c7a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.481944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074959/manifest.json
observed 1d06c55848b17d316c3beb57c3fe6cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.464787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074959/publication.md
observed 872998d5274e8b5e9b8eea36fce98b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.447904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074959/publication.txt
observed c2008ce7f66964e8907b60e8d959ff65...
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.