OpenTechnical

OT-2026-000022994

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000022994) never changes.

Identity and time

Publication numberOT-2026-000022994 · never reused
Internal UUID01a0ae70-46ec-7d3b-9941-a6da662949b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022994
StatusPUBLIC

Content hashes

Canonical text02047b0742440ab4cbf249fc19059e05eefe9ada4a1d7885949db3f509714e83
Markdownf8d113f3dcb2ccf32fe662ac480b81565aa8db00c9eaacc2cd355894f6149957
PDF
Publication pagea6e8957909555f54346de0e1c3792a64f2e0d9e7863f17793f19ccfc2b244100
Manifest3ace8f0853f08b59c6d39abce598b2f8912079e2c4aea60ff3a8ba826362d250

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
SignaturexfNRZcoEn/wukOmIamj0nC2IjWDzjFv008vV5PdoOwfK6WyxYoybEmRa9yecy1ANPZY5RpDNFhWHqgVA4wzTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:35.191229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022994
observed a6e8957909555f54346de0e1c3792a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.173714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022994/manifest.json
observed 3ace8f0853f08b59c6d39abce598b2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.157373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022994/publication.md
observed f8d113f3dcb2ccf32fe662ac480b8156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.139642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022994/publication.txt
observed 02047b0742440ab4cbf249fc19059e05...
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.