OpenTechnical

OT-2026-000015424

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000015424) never changes.

Identity and time

Publication numberOT-2026-000015424 · never reused
Internal UUID01a0ae6d-ef49-7fa5-b347-1f80d1db5a82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015424
StatusPUBLIC

Content hashes

Canonical text49bcb4b1853918d7969e0e0cdb165d045cf26ffee3702d75c9d224f8b4d5366d
Markdown43fe12aea477764eb8631756431fe0b64251080697a2701d648b35cd511af401
PDF
Publication pagec24038e5c8c86fe118ca4e1e8378e81aec892c476c3ac91b6551a29aafed2593
Manifestaaf54165a397a444d51232d989660f17650dc5ee090245bf2438cdf8294992b5

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
SignatureGO1kiN/KBHLyJ1bu3IW+boonS+W5L8DTu77+HcXIctxr7wX2U47K3+/ATPc1xSA2JfC2i2cpm93izPmNrFz5CA==
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

2026-09-17T12:06:09.517551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015424
observed c24038e5c8c86fe118ca4e1e8378e81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.499591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015424/manifest.json
observed aaf54165a397a444d51232d989660f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.479785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015424/publication.md
observed 43fe12aea477764eb8631756431fe0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.460519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015424/publication.txt
observed 49bcb4b1853918d7969e0e0cdb165d04...
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.