OpenTechnical

OT-2026-000065783

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000065783) never changes.

Identity and time

Publication numberOT-2026-000065783 · never reused
Internal UUID01a0ae8e-46fb-7a77-9351-5032f8d90f3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065783
StatusPUBLIC

Content hashes

Canonical text66205c269e0996b9370f05057e72dee767bc37c1fda2b00793a19e631173f37a
Markdowna42efad46cb12e265bcadf802d70015f4c804de62b494ef1c55fb6ed3f4045ea
PDF
Publication page0314d8950b9fea56ceaccddd0fbb27277d8ad36a7bbde73db4446cbce855fa00
Manifest8c316556c2d83335bdc0bc16c2e0f6186f8d06bb664ec8a447364e6e57451710

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
SignatureMrrELtcxNKNDo/vMNWDzzp+NhQLbcY62MLj7nEYtFz/xEZc7/a5/7q6QgXYUk0jwT6wUEiugmh+OqJUjcnC3CQ==
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

2026-09-17T10:34:13.258706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065783
observed 0314d8950b9fea56ceaccddd0fbb2727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.242141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065783/manifest.json
observed 8c316556c2d83335bdc0bc16c2e0f618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.224424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065783/publication.md
observed a42efad46cb12e265bcadf802d70015f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.206278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065783/publication.txt
observed 66205c269e0996b9370f05057e72dee7...
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.