OpenTechnical

OT-2026-000041928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000041928) never changes.

Identity and time

Publication numberOT-2026-000041928 · never reused
Internal UUID01a0ae79-e8a6-7ec6-a109-4ba0753c6781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041928
StatusPUBLIC

Content hashes

Canonical text9cfc8b02088c2dd30a741b2805660402cae7780be843ac68ee3f8af66f0cf27e
Markdown36c6e8b2f9055cb5a0918278853664fe0216f1c53d147635f983347530492e2b
PDF
Publication pageff694d3b8a488ba5f669509b606fd9acd370fa65e743655866060b19dfec6f8d
Manifest30f1d30943d857741ab7a451a5a22d94b0c63868658746c5cca0ca14b1ad269d

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
Signature9jeJ4DITmgbb4V4O+X+fd7lpCC3FFkdFmd+Qbifb5CFgGuO/0nXyjZHMUVgvbo6c4v4zQMCSZGRf18aAvg0BAg==
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

2026-09-17T11:16:48.911359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041928
observed ff694d3b8a488ba5f669509b606fd9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.893721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041928/manifest.json
observed 30f1d30943d857741ab7a451a5a22d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.877920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041928/publication.md
observed 36c6e8b2f9055cb5a0918278853664fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.862125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041928/publication.txt
observed 9cfc8b02088c2dd30a741b2805660402...
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.