OpenTechnical

OT-2026-000080712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000080712) never changes.

Identity and time

Publication numberOT-2026-000080712 · never reused
Internal UUID01a0ae96-b973-7e16-aaf4-5613e47de873 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080712
StatusPUBLIC

Content hashes

Canonical text9d828cc8f115e17991fdb819979ba91ae0251ef5b27d63233191d01804b0e591
Markdownbe94195a72807e1a624fa1780caa94abd52660528701659b2119aec3f4267dd9
PDF
Publication page1a7ad00b3422c3eea51a9018076d9f10074b652316d3cf3d7cc0f7e8710e4567
Manifestb433ca79240a935b71f38b0eb409c9c93110adeb52ac8481ba13a06e65cec7cd

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
SignatureJSK83hlo3gXXmJipoRMuBxcwH2INl/TKJlGMaDc/ZOrDbEgC78E9F9YKu/1EUVyw53hc+A7ZFD8uUzNZFfeEBA==
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

2026-09-17T10:01:44.697347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080712
observed 1a7ad00b3422c3eea51a9018076d9f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.678896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080712/manifest.json
observed b433ca79240a935b71f38b0eb409c9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.662094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080712/publication.md
observed be94195a72807e1a624fa1780caa94ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.643117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080712/publication.txt
observed 9d828cc8f115e17991fdb819979ba91a...
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.