OpenTechnical

OT-2026-000020853

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000020853) never changes.

Identity and time

Publication numberOT-2026-000020853 · never reused
Internal UUID01a0ae6f-65e3-759a-9404-06addadc41b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020853
StatusPUBLIC

Content hashes

Canonical text2ccf1af513cb27b215f784e60a9cb4b35795e28d2afe920de146973fe2389e9a
Markdownaf84687dac3d69cbabec3b6bdb8b7a968caf843930cc11cd4467ec80312e1abe
PDF
Publication pagee654f05d40def9d271300f3cd872c6511e4f330df1ab8471acf6aa34635b02ea
Manifest2c875d6932fdb849e9c72d4e6cfbb702abd5a91561cae1e8fa51eab2bf934322

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
SignatureamQQSLL3BZ24F1FAUfyN3VmfVPmEJSoXiqbfx/10hcA8JhBRM1D5j+kAlR7gwZHsnihUaNBaetb07hFeUgAtCA==
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

2026-09-17T11:55:57.160688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020853
observed e654f05d40def9d271300f3cd872c651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.141262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020853/manifest.json
observed 2c875d6932fdb849e9c72d4e6cfbb702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.121420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020853/publication.md
observed af84687dac3d69cbabec3b6bdb8b7a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.101452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020853/publication.txt
observed 2ccf1af513cb27b215f784e60a9cb4b3...
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.