OpenTechnical

OT-2026-000015296

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000015296) never changes.

Identity and time

Publication numberOT-2026-000015296 · never reused
Internal UUID01a0ae6d-ef48-7a60-9a2a-317320943307 · 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-2026-000015296
StatusPUBLIC

Content hashes

Canonical text21be5a21e4897d97eb6011d8b9833cacaed067f0873200e8a0d4a4abb14a56bc
Markdownf5a084991b985fca59ab153645b29222137c0ce43be27d8f6cb0fd441f3772d2
PDF
Publication pagee3e7bb5f9d6e79e223260529b7ddfec366afda5383369c2ff264d4b4835b9110
Manifest242442d954dc18c17bb1ff708602e84b89ac1e5abd1cdb2d47b2b1dc04f15795

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
Signaturef1oI2lBexeKgNF3/HszwpD8UY+tDCvbKCQhTM0T94YdzDsu8+NmsCO42z8IBGBxZu2pEBcSxWFF78sotjhRnAg==
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

2026-09-17T12:05:59.047550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015296
observed e3e7bb5f9d6e79e223260529b7ddfec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.028328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015296/manifest.json
observed 242442d954dc18c17bb1ff708602e84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.011181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015296/publication.md
observed f5a084991b985fca59ab153645b29222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:58.991454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015296/publication.txt
observed 21be5a21e4897d97eb6011d8b9833cac...
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.