OpenTechnical

OT-2026-000076431

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076431) never changes.

Identity and time

Publication numberOT-2026-000076431 · never reused
Internal UUID01a0ae94-6a71-7dbf-9a8c-c472211a3449 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076431
StatusPUBLIC

Content hashes

Canonical textaef42f5a909dc1da20fcc618e31b0b8ac419921e8977be4fa7fb2cf0b73afc0b
Markdown9296f260d8607bb75bc1b0ff492b838e1cb9ecc4c0b8ccab3aee8311edd5cc74
PDF
Publication pagea9ee2ba219006b39c7541878ca2dc3dad671e7cb133e7cffacc39816c45a0c7b
Manifest7b6f8723b0f1a3a0e33a0be7abddee746874a463ec05f3df998a46a96dbc9f05

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
Signature4YWGOb3snv1Y6pTlC5EFXwofhi75P71K+2r+it6Phx5cxiqXIC7B16IbxzLJLLQs0iiSsvtk+AKJSSuk6YNCDg==
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

2026-09-17T10:12:26.555025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076431
observed a9ee2ba219006b39c7541878ca2dc3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.536365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076431/manifest.json
observed 7b6f8723b0f1a3a0e33a0be7abddee74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.514929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076431/publication.md
observed 9296f260d8607bb75bc1b0ff492b838e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.496544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076431/publication.txt
observed aef42f5a909dc1da20fcc618e31b0b8a...
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.