OpenTechnical

OT-2026-000084812

Publication integrity record

Two bellows 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-2026-000084812) never changes.

Identity and time

Publication numberOT-2026-000084812 · never reused
Internal UUID01a0ae99-43b3-7274-ba59-ecb84a8ac625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084812
StatusPUBLIC

Content hashes

Canonical textdf8433da155d8731f07751f929f19cb6360e330cd25d89988eed4b76e9a97656
Markdown6c725d3d673105ae48f6a7e7a4edabf8c66b0bf9ba456a15d8c48cc04cad063f
PDF
Publication page957b2c1d76daa9394575da02763dcc1437e0e9d69caac234f21ed75732d8c277
Manifestd8a0ba49a197198d2ef50d3a032af2e8b2fded94223bede369d5e2ca83eb17a5

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
SignatureaSQEPYUAhDQO+UGUMysnlL3dai3DTLwqbleAcAtN9EOfJaC9tpBZSt3VKHgnmdbOWRwucfcDeseKFaiLOAQwBQ==
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

2026-09-17T09:54:45.587258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084812
observed 957b2c1d76daa9394575da02763dcc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.567933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084812/manifest.json
observed d8a0ba49a197198d2ef50d3a032af2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.550095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084812/publication.md
observed 6c725d3d673105ae48f6a7e7a4edabf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.532936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084812/publication.txt
observed df8433da155d8731f07751f929f19cb6...
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.