OpenTechnical

OT-2026-000013947

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000013947) never changes.

Identity and time

Publication numberOT-2026-000013947 · never reused
Internal UUID01a0ae6d-8dea-7069-901e-00928567d6bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013947
StatusPUBLIC

Content hashes

Canonical text4e27edadc33db265f7063261e1cd1999d957bffcfbe8a768304e560a736e0b40
Markdown82dee45b77ec0f3b2af44d66ae006ec16e43dde9fdd3e820faacfbe1bac6f760
PDF
Publication page3341d2ba52136fb24a1c79692f9b3ba6c3c5899dc490b517a5fa6d32e835a871
Manifest58a7c8d5592693409d2d62bf3ca37475195977c921e6679c7c251db5058813a0

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
SignatureDhc6dLR16hbN/SqNbNwXqs2dzdb8nQxrlv31tr26bS+7fRdKsrZsUNcEyaG887U5Cisz4NhyeVGvADBMmUzRDw==
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

2026-09-17T12:09:08.782619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013947
observed 3341d2ba52136fb24a1c79692f9b3ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:08.763094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013947/manifest.json
observed 58a7c8d5592693409d2d62bf3ca37475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:08.737752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013947/publication.md
observed 82dee45b77ec0f3b2af44d66ae006ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:08.644898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013947/publication.txt
observed 4e27edadc33db265f7063261e1cd1999...
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.