OpenTechnical

OT-2026-000043060

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000043060) never changes.

Identity and time

Publication numberOT-2026-000043060 · never reused
Internal UUID01a0ae7b-3278-7be4-b53b-c097cb291714 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043060
StatusPUBLIC

Content hashes

Canonical text2467312a4efc746438a374f88cd86ede96ce80cd6b7782464dd0e0d82325cd3f
Markdown733c5c3629fc21a59bbb7b01bf1a9d0038f8cf354e84f009627df8d0676d1026
PDF
Publication pagefa94d2a99b34d662eaf8f28a32de73d56374f37c10475bafcf328d90840a5874
Manifest2d135b684941f95249bc30bb4c4163a6c7155eeeeeedd91d9a0570d892de876a

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
SignatureWx8sckDyDPF3E4QdLakSQoyeyx4Yxn1eRKmiyAx2PnH9ndLDXEUvFfydQyjou8KRcj6Zy82lEaCySPBysZzXDQ==
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

2026-09-17T11:13:28.173918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043060
observed fa94d2a99b34d662eaf8f28a32de73d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.156202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043060/manifest.json
observed 2d135b684941f95249bc30bb4c4163a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.137008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043060/publication.md
observed 733c5c3629fc21a59bbb7b01bf1a9d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.118258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043060/publication.txt
observed 2467312a4efc746438a374f88cd86ede...
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.