OpenTechnical

OT-2026-000013238

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013238) never changes.

Identity and time

Publication numberOT-2026-000013238 · never reused
Internal UUID01a0ae6d-6fc9-74ad-98c1-ae540a96462d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013238
StatusPUBLIC

Content hashes

Canonical text5d6c6a1c8c45563a7649efa4d32902f24a5e0dedcf214a033fb508dc8aed7757
Markdown79aabdaa96eee0fccd8083fc7465d87bfb69b8cae513b9839500bd53bfedd9da
PDF
Publication pageb93d7841cfd4eca8a6ee8740d59a88d86d2201aa168390e9c44c3be70f82b604
Manifest187e26af926340268b3c5dd73581c22e1a6fc99fada3e79b63067e6a6700daad

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
Signature0unZmatwq/31vcIjx1eyk/reOhnrCZThHsY5iiXpsSbjAzdLSHzKPYlMzQRMZGXcu7DmsA+87P0YnSmzAbfqDg==
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

2026-09-17T12:09:38.275542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013238
observed b93d7841cfd4eca8a6ee8740d59a88d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.254951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013238/manifest.json
observed 187e26af926340268b3c5dd73581c22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.235367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013238/publication.md
observed 79aabdaa96eee0fccd8083fc7465d87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.216401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013238/publication.txt
observed 5d6c6a1c8c45563a7649efa4d32902f2...
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.