OpenTechnical

OT-2026-000103173

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000103173) never changes.

Identity and time

Publication numberOT-2026-000103173 · never reused
Internal UUID01a0aea4-be3e-7f40-934e-d4abc91e595c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103173
StatusPUBLIC

Content hashes

Canonical text962ee6c8f22612358e23feda39d26966c52bbe7bbf6e18afd358390c7691c95f
Markdown43904425548752c1780def4366b91ad3a621180f7ca3d21f138f1a0e06ff0edd
PDF
Publication page8d1cd29ad4cb0646aef9678b862fb5885ae570567afa3da1664fe7af6dd1ed92
Manifest52131dfc4b3d87e32ae75b9913e0a68eb3b41d0e5ad7dd749758ec1b5506f954

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
SignatureZpZ3vXocjVD0GXgU1uFqzk5zgUSoZ4VRwKVQd+Sp2wPZ++Sz5JH3nve2+8xVGb3cclHsrqYE6AJtfXvRfN/fAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:23.462294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103173
observed 8d1cd29ad4cb0646aef9678b862fb588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.444163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103173/manifest.json
observed 52131dfc4b3d87e32ae75b9913e0a68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.426973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103173/publication.md
observed 43904425548752c1780def4366b91ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.408466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103173/publication.txt
observed 962ee6c8f22612358e23feda39d26966...
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.