OpenTechnical

OT-2026-000031928

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000031928) never changes.

Identity and time

Publication numberOT-2026-000031928 · never reused
Internal UUID01a0ae74-bad2-7606-965f-9696ec525f84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031928
StatusPUBLIC

Content hashes

Canonical textec7355827f2606ddfd370a040ad644dcf4ede42140a148d979530c8d35593e5f
Markdown798e47d721e7dffda05d04a1369981341ec433cc93fb28ced1285363df66c36b
PDF
Publication page06e6c72c038a0bcaf171444118b8be53ae98428a14e1c4a9592adbe2ae2a8424
Manifestfea0f82055db7a15fd1b4759028ace97d3c61d03cdfcb094078ce015a1dc7f10

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
SignatureWeuzbMuUSQb0jFL4RKmG/QeVcT/JAYzpsEGp7tlac3kHz/58AcE7ImkYDipiDccWiubjbeus1wm+4yPN2A9JCw==
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

2026-09-17T11:35:12.454130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031928
observed 06e6c72c038a0bcaf171444118b8be53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.437178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031928/manifest.json
observed fea0f82055db7a15fd1b4759028ace97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.417863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031928/publication.md
observed 798e47d721e7dffda05d04a136998134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:12.396831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031928/publication.txt
observed ec7355827f2606ddfd370a040ad644dc...
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.