OpenTechnical

OT-2026-000089462

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089462) never changes.

Identity and time

Publication numberOT-2026-000089462 · never reused
Internal UUID01a0ae9b-db02-7e27-a4ea-42ec332374be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089462
StatusPUBLIC

Content hashes

Canonical textbefa64882b3fd0f15c9e20214238eb722ece6514d73761c8c8ec90e6c0a73e93
Markdown09c0881cfa77b532477a39f349382984eb1451c321e38d3c2613949aa590f312
PDF
Publication page26854bff694c1ccc428eee35054ca4b36ba7159d02419bf1b0319efc579fb00b
Manifest4a5896b890c476495ccc3efc51c4a4a5b57335825e4bf04bbca87a208558643a

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
SignatureLssqOf5dZR41slnS8tsX6/w6NbPD/VK+rE8pmlX4OgAQ5ZzAx12FMXuDOAnaVz7LW1ahMFXgVteZp3GwMtaaAg==
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

2026-09-17T09:47:36.686229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089462
observed 26854bff694c1ccc428eee35054ca4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.669770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089462/manifest.json
observed 4a5896b890c476495ccc3efc51c4a4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.653148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089462/publication.md
observed 09c0881cfa77b532477a39f349382984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.636016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089462/publication.txt
observed befa64882b3fd0f15c9e20214238eb72...
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.