OpenTechnical

OT-2026-000015708

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000015708) never changes.

Identity and time

Publication numberOT-2026-000015708 · never reused
Internal UUID01a0ae6e-0c4b-75a8-a177-d3f62ec90a55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015708
StatusPUBLIC

Content hashes

Canonical textfd2370e1525a68adfc467d09d632b7a9b2c66bbe2753a69f9f1b1820468e29d1
Markdown8e178d3c91d102194a9d93c13816eb7c3f3f7b0125a1784dddbb78d69108f4b9
PDF
Publication page5423cf50f1ecc7ec6381b8cdb87d7ec0a0e5a4a9ab8ccfe9b23e5c3006b11180
Manifestfcff6dc3d60ba106a17695d73389b9f1aa474df7a02ea97cef9992188e193177

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
SignatureIxPUT7j2cZu6/pPbUuanKTnCjukAd82yyGmts7PHBzWERRVVUNI/7crxuqBvUrnByIo8x0/ZY/RZO0Ys9AMqAw==
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

2026-09-17T12:04:59.298877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015708
observed 5423cf50f1ecc7ec6381b8cdb87d7ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.281002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015708/manifest.json
observed fcff6dc3d60ba106a17695d73389b9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.263109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015708/publication.md
observed 8e178d3c91d102194a9d93c13816eb7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.245484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015708/publication.txt
observed fd2370e1525a68adfc467d09d632b7a9...
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.