OpenTechnical

OT-2026-000019947

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000019947) never changes.

Identity and time

Publication numberOT-2026-000019947 · never reused
Internal UUID01a0ae6f-1fb7-7a1c-a74e-5f8cfcfba103 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019947
StatusPUBLIC

Content hashes

Canonical text558653960a1572c7fbca501ca0a9123ffd04fb6eb0d2cdc00dc81eeba6902e41
Markdowndae6874e71f79d31fd0f39277d9b136fbc07618b68399db855f7dca77ba421d4
PDF
Publication pagedec97130b6e5ad113476fe7f1f302480626aef6e00fe8b699fc87f449c46515c
Manifest3c6e04907c2c63522491f298b73f7249708663482f558c9ddc796a7aad0730ad

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
SignaturefbmzOC/67dCQq7qX1/RRBcuwOmiKAvj6alT3Arv5QA46wIGMx9cBmJVJkcJSAMFcI0BnH3Rk6O02c6HOuwahBw==
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

2026-09-17T11:58:10.490674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019947
observed dec97130b6e5ad113476fe7f1f302480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.471636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019947/manifest.json
observed 3c6e04907c2c63522491f298b73f7249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.449939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019947/publication.md
observed dae6874e71f79d31fd0f39277d9b136f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:10.429490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019947/publication.txt
observed 558653960a1572c7fbca501ca0a9123f...
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.