OpenTechnical

OT-2026-000079555

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, sustained 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-2026-000079555) never changes.

Identity and time

Publication numberOT-2026-000079555 · never reused
Internal UUID01a0ae96-0b92-783e-b46e-82e1d0971c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079555
StatusPUBLIC

Content hashes

Canonical textb37f3f87b9df73f0a5d4d274137293e9a76a1d88fd597e0c78c4d72084424f15
Markdownc07448312e5ca34d346d1fe51635b03345b7a38984411f525f86db79f2c19308
PDF
Publication page617dbb80c89bae461594a6e73573ec8bb6a975f9e832024338a649cb81670071
Manifest1789c0d14016e073458c4a10d878090bce1b5b9888459afa69ea7d56e85c2e7b

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
Signature/bnYHnFcGRfFVuBQ5FSxmbdwpikGZ/FI3DmIlZ8BlGk3Mdh1hg50+vkQFQa4UVUDeK+ZohrrkFbTOBh5yA5DDw==
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

2026-09-17T10:04:08.170178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079555
observed 617dbb80c89bae461594a6e73573ec8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.151942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079555/manifest.json
observed 1789c0d14016e073458c4a10d878090b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.135060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079555/publication.md
observed c07448312e5ca34d346d1fe51635b033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.107833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079555/publication.txt
observed b37f3f87b9df73f0a5d4d274137293e9...
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.