OpenTechnical

OT-2026-000021056

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000021056) never changes.

Identity and time

Publication numberOT-2026-000021056 · never reused
Internal UUID01a0ae6f-65e5-7d6f-9e28-a39a21db480b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021056
StatusPUBLIC

Content hashes

Canonical textbc7b68ad8df1d60a273a28f382e9cef2057d5815c43d9a43618cd6fce3d344d0
Markdown48586cc5325305586d6c0d741da0e4a031a8b8b5807576e593215e102cc6a697
PDF
Publication paged4c2c86967b73ba15310f49ab707a9c3e12cc86299aff5f3a151b9b6fdaddcce
Manifestad95628ec8421ac6193a957d9cc330721c6f6e5db21ca2471c0096b6cafde0e1

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
SignatureMcn2oM+b84Xdv7gFYqzeslhUKVeTZ95lm4HxjruRw8MrVqxj1KSAZUy5d3pvuMWTOO8fsEDeLlz1j3B3mNAJAQ==
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

2026-09-17T11:56:13.486355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021056
observed d4c2c86967b73ba15310f49ab707a9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.467063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021056/manifest.json
observed ad95628ec8421ac6193a957d9cc33072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.449332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021056/publication.md
observed 48586cc5325305586d6c0d741da0e4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.430798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021056/publication.txt
observed bc7b68ad8df1d60a273a28f382e9cef2...
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.