OpenTechnical

OT-2026-000070319

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000070319) never changes.

Identity and time

Publication numberOT-2026-000070319 · never reused
Internal UUID01a0ae91-545e-7de3-904d-e85980cc4bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070319
StatusPUBLIC

Content hashes

Canonical text8fed8fa55762a18d18fcf19ba45138c748911dd73193ff3f08275e1a5d54db50
Markdowna6968cc40c41cbf341a47805b7dd10304d92f6f8f990a731c9a171df6f9d7150
PDF
Publication pagee2f8e567713f291e35fd252c52652de8137c5f86a3d1d7ce2460fc1f60ba6209
Manifest5849e95365a4f4e1a448d3d8cea8877bac6e5798e882bcb082c6e157e87b7bac

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
SignatureeauhoIuvxX+P4FaAZDzvL+fwy+yQVb7EFyqgOUhHTX9oyyIb3kdLvJrHppuzZxgxAaDwJE6wXEKDbuT2Y6j/Dw==
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

2026-09-17T10:26:06.557629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070319
observed e2f8e567713f291e35fd252c52652de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.539781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070319/manifest.json
observed 5849e95365a4f4e1a448d3d8cea8877b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.522798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070319/publication.md
observed a6968cc40c41cbf341a47805b7dd1030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.505179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070319/publication.txt
observed 8fed8fa55762a18d18fcf19ba45138c7...
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.