OpenTechnical

OT-2026-000066500

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000066500) never changes.

Identity and time

Publication numberOT-2026-000066500 · never reused
Internal UUID01a0ae8e-ce41-7290-a44c-c0bfa1744286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066500
StatusPUBLIC

Content hashes

Canonical textf5630296290713ff41b3b4bf59eb66f5cdfff6d8ed695b43d11e03643b4252fb
Markdowncd92709fb37d5ba8dc1d78309a75f94e21db5cfa354e5b4ffac6b6b6fe891552
PDF
Publication page7679dbb01f0f1dadeba4d0af20d99a71c3a94bae36fa46f909887f2cf0b60225
Manifestced16457fd2343f8c225089e837df522d2623746d9635697fcb0daaa067a805e

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
SignaturetXUEUyo5uFpl07ZeeMnshf+KubP/+AxF4JhZWNrZdJX9CeMN0ikFtIatg5wkMMG14Cw6tqZlRmrRcNdqQE0JBQ==
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

2026-09-17T10:32:45.465499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066500
observed 7679dbb01f0f1dadeba4d0af20d99a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.449004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066500/manifest.json
observed ced16457fd2343f8c225089e837df522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.431737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066500/publication.md
observed cd92709fb37d5ba8dc1d78309a75f94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.413880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066500/publication.txt
observed f5630296290713ff41b3b4bf59eb66f5...
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.