OpenTechnical

OT-2026-000086687

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000086687) never changes.

Identity and time

Publication numberOT-2026-000086687 · never reused
Internal UUID01a0ae9a-2c99-74a6-beca-3497349e8ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086687
StatusPUBLIC

Content hashes

Canonical text313632ec61650ddbb68dd65aeeb085250aefd41d52b6d5cad1a83ba5fc51be42
Markdownd1cd7f29fb09af87537fd519b0dee61f736901ac74047117c319452fd61866a8
PDF
Publication page7759df1c9769a20b51d5ea902f3a5e16666accdced90aa7c8e33baead5cebf1f
Manifest1ef150b21c414ebe4059cc5e92381898c212420c7a0d74687476af75651fa12a

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
SignaturejhYj7tilTodK3fW5huxeqwC7WXFtJZumKMoAt5heYS6EvGlKInoH5P8G4oGR+lGxcx53aCDcPYZcs67i06+QDw==
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

2026-09-17T09:52:33.332477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086687
observed 7759df1c9769a20b51d5ea902f3a5e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.315209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086687/manifest.json
observed 1ef150b21c414ebe4059cc5e92381898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.297227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086687/publication.md
observed d1cd7f29fb09af87537fd519b0dee61f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.280337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086687/publication.txt
observed 313632ec61650ddbb68dd65aeeb08525...
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.