OpenTechnical

OT-2026-000024121

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000024121) never changes.

Identity and time

Publication numberOT-2026-000024121 · never reused
Internal UUID01a0ae70-e8c7-7e4a-b0ee-a4621056405e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024121
StatusPUBLIC

Content hashes

Canonical textb019d430601b66e39de17577c154227fac4bf8e983ddd470bd3ed6c0168c81bd
Markdown8f43a7b1dd4b2c8d54c955eaeb0a5bd7f0fb9f042e445bd91b8182a5a073c597
PDF
Publication pageead1968f089a30306b23ffbf559bc9e776c6489869f5f7a9e8720217f84d8f2b
Manifestdea5775f98054506bfa71c94838806884db3a933b39d3c8db48c27786b870fb9

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
SignaturewQsq5zbv9czP8b807dI9nyEIuDRajLX5Xn29AhVFfTDJPfMWnCVKkqyhDel8XicgJUQ9l6Jci5bU4Sf5FvkDBQ==
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

2026-09-17T11:48:32.901175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024121
observed ead1968f089a30306b23ffbf559bc9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:32.884003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024121/manifest.json
observed dea5775f98054506bfa71c9483880688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:32.862706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024121/publication.md
observed 8f43a7b1dd4b2c8d54c955eaeb0a5bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:32.841247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024121/publication.txt
observed b019d430601b66e39de17577c154227f...
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.