OpenTechnical

OT-2026-000098052

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000098052) never changes.

Identity and time

Publication numberOT-2026-000098052 · never reused
Internal UUID01a0aea1-92f8-7d0d-92ee-39ada2dd40f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098052
StatusPUBLIC

Content hashes

Canonical textfc29c6db13fd46b03f8f41a0446e9bf028e89d6cd466f46bf0f046faeb9716c6
Markdown229fddfcc524883f568abe320b2bc6a2b8bd4bb82f92466db72b11bde1b6000f
PDF
Publication page228e0100d0f134e77615d8b82da918099fbce6e3272a622861555eb7f6553520
Manifest7d5b28bb2351e478f68af76232634c013c4c80b11be912bd8f5c6dd82941ee6f

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
Signature7KsDLapXnmE+cMjuRkRNwZepzQmkL6WLTH8GR7Y6hxo3PnFcawkapEs+aniBZLP6lvg6tytCAnHQZjsj3/XRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:14.088290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098052
observed 228e0100d0f134e77615d8b82da91809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.071055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098052/manifest.json
observed 7d5b28bb2351e478f68af76232634c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.053479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098052/publication.md
observed 229fddfcc524883f568abe320b2bc6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:14.033469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098052/publication.txt
observed fc29c6db13fd46b03f8f41a0446e9bf0...
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.