OpenTechnical

OT-2026-000044046

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000044046) never changes.

Identity and time

Publication numberOT-2026-000044046 · never reused
Internal UUID01a0ae7b-d679-77ac-bae4-3c50d51699e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044046
StatusPUBLIC

Content hashes

Canonical textf2bb1247c9969dd39b7dc31cfd8a38c7e7a64534b03d60859d7838d6d8c9d2cd
Markdowndbc2a23ea4ae2384829032af31ddd0a781e7a9d2a5661d896401916d74565d6b
PDF
Publication page5fae9f1ba3c994f0c3a00dbdf157994a07a931b2846728de303550f474d48306
Manifest7211e54bbe64fb93361c391f430ed3b9c5d7e4927ec65d1003a642cc8daab4d9

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
Signature0PRvlO5NkKV79pC3zxiPaPhTAU1HGsNOtrffBlRcMvUQ+tRGi1kUwlOqfPvK0H7jRjpN+yHh/3WBWEPxynTBCQ==
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

2026-09-17T11:12:26.308661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044046
observed 5fae9f1ba3c994f0c3a00dbdf157994a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.287585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044046/manifest.json
observed 7211e54bbe64fb93361c391f430ed3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.268776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044046/publication.md
observed dbc2a23ea4ae2384829032af31ddd0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.251047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044046/publication.txt
observed f2bb1247c9969dd39b7dc31cfd8a38c7...
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.