OpenTechnical

OT-2026-000069073

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000069073) never changes.

Identity and time

Publication numberOT-2026-000069073 · never reused
Internal UUID01a0ae90-6dce-7de7-82ac-879fad83c21c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069073
StatusPUBLIC

Content hashes

Canonical text5fea2bf41870cbfa9dff555eb8a22e1e092a8c9b0fb65d24b39b61d6c2e75f21
Markdown5ec3a6b369cb87ad143f9d792b5cd9af01987c7b28b3f88efa5b21f331f0338f
PDF
Publication paged2326a5dfff7d488382a919a0b9b370f40120f8e83f572a56a726a9595e7ee12
Manifest0e25ab10673890fef997e6b3b43c75e21bea7b4abd308879ea3cbd9dc8c6e48d

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
SignatureBSLbdckI1Y1mx3x4RUix5B77W2JwgglVIwrVKgz6HyoFr52PLYVZ6XekFB5uUo07CjfhNsb6bmZARSSVSm0kCw==
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

2026-09-17T10:28:56.355238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069073
observed d2326a5dfff7d488382a919a0b9b370f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.339005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069073/manifest.json
observed 0e25ab10673890fef997e6b3b43c75e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.320965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069073/publication.md
observed 5ec3a6b369cb87ad143f9d792b5cd9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.300978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069073/publication.txt
observed 5fea2bf41870cbfa9dff555eb8a22e1e...
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.