OpenTechnical

OT-2026-000076061

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000076061) never changes.

Identity and time

Publication numberOT-2026-000076061 · never reused
Internal UUID01a0ae94-6a6e-71a0-8ac8-45afa3511c5e · 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-2026-000076061
StatusPUBLIC

Content hashes

Canonical text2ad034b85b15b93eee7a71f9cc6967992280a1d05a51d3b7aca523e812e98f76
Markdownee82d0deffc923619cf5577f36df1fb24af409368ab142d4dbba848077c6fe7c
PDF
Publication page110173f9a3135c7ef5af5052b30334beaf4c81e5480f8a7892cd930aba288f24
Manifest5fd6c5760194bf61dafecc65f5f5eaa3eb329fa4d9a4f8ecb0aa38faa4fffc0b

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
SignatureppHaOoom9XvQLNHSOcipAgdYZyuaFF7Mjz/1LTLyOY5Xvp3AdS9ar6qE9p0COaVacCUWeHKrzUSU4UwplqFmBw==
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

2026-09-17T10:10:48.260385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076061
observed 110173f9a3135c7ef5af5052b30334be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.238532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076061/manifest.json
observed 5fd6c5760194bf61dafecc65f5f5eaa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.218357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076061/publication.md
observed ee82d0deffc923619cf5577f36df1fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:48.197469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076061/publication.txt
observed 2ad034b85b15b93eee7a71f9cc696799...
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.