OpenTechnical

OT-2026-000038508

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000038508) never changes.

Identity and time

Publication numberOT-2026-000038508 · never reused
Internal UUID01a0ae78-2d53-7f4e-a1c9-6b2993298f3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038508
StatusPUBLIC

Content hashes

Canonical textadb742cfa133737944d31bbbc07a5359fd7b298ed8334da79ffa5c3565afefef
Markdownf4daa66937807848bbeb77826c2cb4dbed9955126e5b38a4ccaaa98441bd5065
PDF
Publication page48d0083ae9ac924d4985b1623201ce9d1ff1bf48e7a0ad69a776eb4ef0017503
Manifest123c3718d838e13418bb0153ebef168390105f0e73db7465d47533bb6d043e0d

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
SignatureZ04ItA6rND//k4h0bxm/Sn3xv+IGwekck5BJ0WcH7UZJTpH35e9CzamjiV9o4XSfLukkZIrWzmKG43BfgUa2CA==
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

2026-09-17T11:22:45.471867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038508
observed 48d0083ae9ac924d4985b1623201ce9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.452579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038508/manifest.json
observed 123c3718d838e13418bb0153ebef1683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.432441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038508/publication.md
observed f4daa66937807848bbeb77826c2cb4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.413341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038508/publication.txt
observed adb742cfa133737944d31bbbc07a5359...
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.