OpenTechnical

OT-2026-000012018

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012018) never changes.

Identity and time

Publication numberOT-2026-000012018 · never reused
Internal UUID01a0ae6d-1943-722c-a7d3-2c2bed556d03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012018
StatusPUBLIC

Content hashes

Canonical text84323701a894a82bc40c521f4f22e0875cf335f57b5a34b8451d8b80a439d310
Markdownf1890ef07c1964232db1017fc422f0e3049fe45f13459a5c69881e3be94e7012
PDF
Publication paged097a72a397698600a17d289096fee3028eceed46f8b25473ae36ea0a6916416
Manifest6f783335177631ddf2f229dfdd4db2f34ffc13143a6bad8b437579cc4a6ef2ab

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
Signature+Uw0QF77Wm/jY1uwHz1gcgFVY+/t619ZF/9ur8sj8ayL9zQfGYFsb9xPfwSlkYFZd0BzUsAwouEdAobhiYpXAg==
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

2026-09-17T12:12:53.252598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012018
observed d097a72a397698600a17d289096fee30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.235868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012018/manifest.json
observed 6f783335177631ddf2f229dfdd4db2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.218249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012018/publication.md
observed f1890ef07c1964232db1017fc422f0e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.198224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012018/publication.txt
observed 84323701a894a82bc40c521f4f22e087...
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.