OpenTechnical

OT-2026-000085557

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085557) never changes.

Identity and time

Publication numberOT-2026-000085557 · never reused
Internal UUID01a0ae99-aaac-76af-98dd-b4ccd537ba9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085557
StatusPUBLIC

Content hashes

Canonical text04a0a02d3b67021a302f4609fceba03660c78ade24fac41fcf437430c7f47a3d
Markdowne92caed9b0fc8313d642f6da3de68d95c11fecfe9540f0c36cc4163aafda8da7
PDF
Publication page3fa485695388a6c9a4af074dc651ff6a9eb555556f8426cebeb495349267bcdb
Manifest4c8970b15eccc0ba1f23c15d58b453cf30eb183c18ca4a03e66562f77f885539

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
SignaturesnbURbShuwWahh1zFAivvdFSqXK3u6Pc8XmltUTzKxJX6tc/NYQS9UCDz0g3aaB1M+Jw6Hm30pa9nvt54mQZAQ==
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

2026-09-17T09:54:22.690904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085557
observed 3fa485695388a6c9a4af074dc651ff6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.673287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085557/manifest.json
observed 4c8970b15eccc0ba1f23c15d58b453cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.656477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085557/publication.md
observed e92caed9b0fc8313d642f6da3de68d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.639607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085557/publication.txt
observed 04a0a02d3b67021a302f4609fceba036...
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.