OpenTechnical

OT-2026-000042334

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000042334) never changes.

Identity and time

Publication numberOT-2026-000042334 · never reused
Internal UUID01a0ae7a-5d74-76f4-aba0-0db28dc14bf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042334
StatusPUBLIC

Content hashes

Canonical textc0954f155e703fbb78495770236d8ae60a94ae25deaa07c2f4f1234ce5190937
Markdown4362b2c8e66e50ae30fdccf231f10d5efa7f24a1fd5eeee6a94cdc4a78dbb5ed
PDF
Publication pagee0ede73ab805774dbaaabbe272aa24e22f3e2175ddcd7676dc76b0cbb9f28d88
Manifest4c64ecfbfb31bf2c55803b93fa2780b0b2118f76d072a441709b2e524dd40c4e

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
SignatureYdi5QzJr6PHQJrN1wRB9UPQdIdZZvK1Z3FCkw4PG/siTqpwX8jkU7hJRM21j9zJ/zyblTby4PRhIOXc/yPaeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:02.448077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042334
observed e0ede73ab805774dbaaabbe272aa24e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.429777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042334/manifest.json
observed 4c64ecfbfb31bf2c55803b93fa2780b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.411409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042334/publication.md
observed 4362b2c8e66e50ae30fdccf231f10d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.392991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042334/publication.txt
observed c0954f155e703fbb78495770236d8ae6...
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.