OpenTechnical

OT-2026-000042085

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000042085) never changes.

Identity and time

Publication numberOT-2026-000042085 · never reused
Internal UUID01a0ae7a-5d71-70be-a5e9-96f26fbd4c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042085
StatusPUBLIC

Content hashes

Canonical text097c163fb8f73be140b41ed335d5cc664ef2677d86f7d132b04b2b80fae62420
Markdowne81eb47187c86374adb097a21f3afb688f0939b92304316bbea8ec9dacb9541e
PDF
Publication page8a272cae70bfed453f2e9372db11722074b7285ac3af01ea15f0467425c90897
Manifest9e0872f8385b7c0365bc2a08c147d278298bb8b93762e77e388029eeb1901c73

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
SignatureHRJh3Tu6p+H3LSG9eeyBYkP5H5pyXqKl1bbv4PNc1aI5Zf+xn45l5nrYMhSKB3qZq/drElO3RBA98RBqq/hVAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:36.770619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042085
observed 8a272cae70bfed453f2e9372db117220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.752710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042085/manifest.json
observed 9e0872f8385b7c0365bc2a08c147d278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.733555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042085/publication.md
observed e81eb47187c86374adb097a21f3afb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.712443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042085/publication.txt
observed 097c163fb8f73be140b41ed335d5cc66...
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.