OpenTechnical

OT-2026-000085809

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000085809) never changes.

Identity and time

Publication numberOT-2026-000085809 · never reused
Internal UUID01a0ae99-e829-7bf9-948d-185bf1a1c60e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085809
StatusPUBLIC

Content hashes

Canonical text36e49c199315ef13fe3c9abfb7c48fee793ce73d099080f34b74456dc552472d
Markdowne024204f9d14f1d5f910dfd6528d9298aefa138e08cbe22e29959975af7246bc
PDF
Publication pageb8e39d0585032169bd5f82c83bd31ef91f32fe498fed79596b5de0724d91ea1e
Manifest39c9e87b768d653b17b385c4a922774b329e4c5924d148345350b7b5e18f2573

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
SignaturezvhqjXVj75N/89EhAybklUxxAAApATHS/xVqb0Z5xF7jfhbKZgTQWnzdMDNacWOkdFTXOaMfdasEv9B7KKk+CA==
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

2026-09-17T09:52:43.658645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085809
observed b8e39d0585032169bd5f82c83bd31ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.642998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085809/manifest.json
observed 39c9e87b768d653b17b385c4a922774b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.624582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085809/publication.md
observed e024204f9d14f1d5f910dfd6528d9298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.605994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085809/publication.txt
observed 36e49c199315ef13fe3c9abfb7c48fee...
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.