OpenTechnical

OT-2026-000076275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000076275) never changes.

Identity and time

Publication numberOT-2026-000076275 · never reused
Internal UUID01a0ae94-6a6f-746e-8861-cb6f31fcd80f · 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-2026-000076275
StatusPUBLIC

Content hashes

Canonical text8b8c2acf31370dc61c5afa767fffc2c1cf7de62cbf7b558a36ceed4ba07a97ff
Markdown5e146d892b9f3e457fddea21cfc221d931ac319c5271f0247eb7bfb65a6984bf
PDF
Publication page4e6774efc3d00b7e21b77af4a6afc60baf835af50ec347da19530527c0098e17
Manifest03b77eeee516a641f458c98acbb4c181d70114f165b81c1571ea066feedc80f4

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
Signaturey9Xd/HVmQ5dBfKi5J7JkB86AXlCkx42JPs04P3ClDz+hEq9Y9CZWxwvYk5O1I12il01AGzgr+b8BLOa3s2n1DA==
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

2026-09-17T10:12:01.975526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076275
observed 4e6774efc3d00b7e21b77af4a6afc60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.956018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076275/manifest.json
observed 03b77eeee516a641f458c98acbb4c181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.809987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076275/publication.md
observed 5e146d892b9f3e457fddea21cfc221d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:01.791647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076275/publication.txt
observed 8b8c2acf31370dc61c5afa767fffc2c1...
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.