OpenTechnical

OT-2026-000085616

Publication integrity record

Two cup vacuum gripper, two 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-2026-000085616) never changes.

Identity and time

Publication numberOT-2026-000085616 · never reused
Internal UUID01a0ae99-aaad-7f92-9efe-2d40ffd9990e · 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-2026-000085616
StatusPUBLIC

Content hashes

Canonical text2c47023e0dcf6ae68eee1655f846a2f057f39773b48cb09d45a1ea14c927e208
Markdownce5a582c5b6d9e5e064312a5c38058dd9e0f8733b2120f8fc6fe0bf2825900fa
PDF
Publication pagee792e6653235c5979b771ab047140ac5e79c582b28397e2047cbd2561397833f
Manifest4ce870a0fbdc770c43d2d563cb289f8e441a1438dc087913761383c79ee60013

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
SignatureUYMZ7YhdL1ighJnfUO1bGOqF5gB6NUYiBwCYVMsS7A9CLxf8MP/19Wqc3UEXR//7c3M9PbvaPD1APIr/EkiWAg==
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

2026-09-17T09:54:29.777424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085616
observed e792e6653235c5979b771ab047140ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.759280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085616/manifest.json
observed 4ce870a0fbdc770c43d2d563cb289f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.735374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085616/publication.md
observed ce5a582c5b6d9e5e064312a5c38058dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.717020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085616/publication.txt
observed 2c47023e0dcf6ae68eee1655f846a2f0...
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.