OpenTechnical

OT-2026-000016204

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000016204) never changes.

Identity and time

Publication numberOT-2026-000016204 · never reused
Internal UUID01a0ae6e-2d11-78a5-8310-d7654f2d2356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016204
StatusPUBLIC

Content hashes

Canonical text7d2f6456d90f45594f7a5fe1761372e8d07d2600b57c7b3809bc537a7b8d8123
Markdownd1c48e91d2a326826223f89b5eae978be51335eaa2cd29bc94d6acb04379798c
PDF
Publication pagedf10e54970b0c2344b8026759bccd143906f4f498f47ed302034473b1c2246bf
Manifestfc383cb53a633ec8c430c20b5928303e97a9f99b1e3d532b935ba5cfa14cec88

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
SignatureQOuixvYz4O1OYm7VD3WWlJD9teoT/9b8I2XRtkJGQbZ7dlKRMlq2phe8Wa6RJRfDEWY7wKOBtAhq9qgFUpzGBQ==
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

2026-09-17T12:03:39.797161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016204
observed df10e54970b0c2344b8026759bccd143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.780199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016204/manifest.json
observed fc383cb53a633ec8c430c20b5928303e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.761540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016204/publication.md
observed d1c48e91d2a326826223f89b5eae978b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.742757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016204/publication.txt
observed 7d2f6456d90f45594f7a5fe1761372e8...
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.