OpenTechnical

OT-2026-000043196

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000043196) never changes.

Identity and time

Publication numberOT-2026-000043196 · never reused
Internal UUID01a0ae7b-327c-7207-b329-08c2b0f38fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043196
StatusPUBLIC

Content hashes

Canonical text988d702acd034e02c6260de0f780cf41598b07e35c556ad44bc889bd92e4e030
Markdown2179c526a6e7e8c9179bc777e432110aef186f6b0b1317d95b28095b44fc66fb
PDF
Publication page87f5bc01c4a0036a6d8c9d1dfc0cc1d1da0ceb9e9606d79bf403591f9a53324e
Manifestccfd85f10bcf77ced3c06174c794a8de88b665afee5b4da3d4f2a56f40eea28a

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
SignatureTuyCQKnwdIOXQiaAfUA9pVT5ZaoiRCAXDkoMiBekWZWBuIyFa6Bu+3BmZb7YFiibbxCx3Uzxewqd2UgrxVwmDA==
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

2026-09-17T11:13:39.177379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043196
observed 87f5bc01c4a0036a6d8c9d1dfc0cc1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.159621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043196/manifest.json
observed ccfd85f10bcf77ced3c06174c794a8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.140132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043196/publication.md
observed 2179c526a6e7e8c9179bc777e432110a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.118686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043196/publication.txt
observed 988d702acd034e02c6260de0f780cf41...
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.