OpenTechnical

OT-2026-000014972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000014972) never changes.

Identity and time

Publication numberOT-2026-000014972 · never reused
Internal UUID01a0ae6d-d096-7421-bcf7-c4f91bfa3075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014972
StatusPUBLIC

Content hashes

Canonical textc1cd5edcf3a1c4a705cf2fff52edf2a6094db900300144c518b2b04bb4c4bd74
Markdowne835a0d96a191bcdc47c96e01c224bd59ba685de716b90ef944fd36f5e3ab194
PDF
Publication page7d27bf793cac4768d17bf1ca7c777fe9aa37393e5488a06a3128597ede6d6bdc
Manifest6f2a9050032d6fa23af8f251e917883859130505651dc390f0439faacd1ffa39

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
SignatureyfaPcT6FPn3oxVdmHf8TiMcMCD2o2CkLIjKaFYEYdBB7GxB4DdSdBc1s5t4ir7kMtYrL1+eW3nreKKQhH2ryAg==
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

2026-09-17T12:06:55.770471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014972
observed 7d27bf793cac4768d17bf1ca7c777fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.752551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014972/manifest.json
observed 6f2a9050032d6fa23af8f251e9178838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.732799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014972/publication.md
observed e835a0d96a191bcdc47c96e01c224bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:55.713376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014972/publication.txt
observed c1cd5edcf3a1c4a705cf2fff52edf2a6...
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.