OpenTechnical

OT-2026-000064839

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000064839) never changes.

Identity and time

Publication numberOT-2026-000064839 · never reused
Internal UUID01a0ae8d-debc-74bb-b05e-cf753363697d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064839
StatusPUBLIC

Content hashes

Canonical texte488241226c99c65b21c1cf9fca9fd8ca8ce93d64683b78a296daec33cd7ffed
Markdown536213ece7492d99bfc3ff6e0d64afe2b2f99abbb8e006755c4a2ed7daaf96db
PDF
Publication page338fcd4dee0824f823457b8a610f2464bd90c1b8a4c7cf2e6310cb3d0fe55dc7
Manifestc05946ed20192684803de12431066f60f6673405a3ee16040c0a5d82bb76a879

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
SignaturexQhFLyeLTq8wZC3fEEtu6KeNOfY8MAOtY9+4J6G2SCrTb5YEPpZa6sGI/13c99Kf12ZU9L3XGfBHqvRPd0a1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:44.990176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064839
observed 338fcd4dee0824f823457b8a610f2464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.972678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064839/manifest.json
observed c05946ed20192684803de12431066f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.952973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064839/publication.md
observed 536213ece7492d99bfc3ff6e0d64afe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:44.935086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064839/publication.txt
observed e488241226c99c65b21c1cf9fca9fd8c...
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.