OpenTechnical

OT-2026-000090670

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090670) never changes.

Identity and time

Publication numberOT-2026-000090670 · never reused
Internal UUID01a0ae9c-7f30-735a-82f5-ded5c3fad2bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090670
StatusPUBLIC

Content hashes

Canonical texte9f4bd4263ee478aa9326a030e1c6cde1274b0c971930099221d14c7a0965d68
Markdown780785945cbcd63bcee2b6dd361af674c3c315e28f12c9c359398f7962a0c007
PDF
Publication page1c3c37600d1bf1f5e598d0513207009e64ed28be5549c9ea08023f62d7acfacb
Manifest2362f753c08cd49cbb82b4a7c47135226c16a1e354587fe44ac80630a959e679

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
SignaturegoIBF1KhnPfCdRk+AH59YGf88isiSHUsZDM2RJSFhLUQ3vvb3c2LcFLJ8niuGxPtZKTmNkL+ONKQkbs+caxiCQ==
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

2026-09-17T09:44:51.904521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090670
observed 1c3c37600d1bf1f5e598d0513207009e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.887596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090670/manifest.json
observed 2362f753c08cd49cbb82b4a7c4713522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.869795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090670/publication.md
observed 780785945cbcd63bcee2b6dd361af674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.851992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090670/publication.txt
observed e9f4bd4263ee478aa9326a030e1c6cde...
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.