OpenTechnical

OT-2026-000073005

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073005) never changes.

Identity and time

Publication numberOT-2026-000073005 · never reused
Internal UUID01a0ae92-c815-7bb9-8140-971a1d917f43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073005
StatusPUBLIC

Content hashes

Canonical text6de933fd868975137df693562b6f1d8debe1fc93a17e12712927f34706710416
Markdownf123b26db62717355ec702a78c76f0850dd87c751f7a2e8d8faec27c8c3d9614
PDF
Publication page1f3d56e9a8080484ea46e5a5f34c7aaff4d63620a45af26f07f9edab5ad2ef68
Manifest5dc5bb48c2d2e9db610dd9a7e5e4b257bc8a6583db9982beff28aed9e9cfe350

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
SignatureHtn/1K9icvtGSWTzcVsBITpVGXeIYc3laHpe8AmLYJowNtIg+O32zkf9B6rigZM//4xNgQnPiToMzdV0+0TuAA==
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

2026-09-17T10:21:56.418402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073005
observed 1f3d56e9a8080484ea46e5a5f34c7aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.401004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073005/manifest.json
observed 5dc5bb48c2d2e9db610dd9a7e5e4b257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.382721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073005/publication.md
observed f123b26db62717355ec702a78c76f085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.365111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073005/publication.txt
observed 6de933fd868975137df693562b6f1d8d...
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.