OpenTechnical

OT-2026-000030316

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000030316) never changes.

Identity and time

Publication numberOT-2026-000030316 · never reused
Internal UUID01a0ae73-e501-7c2c-a65f-61313995624e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030316
StatusPUBLIC

Content hashes

Canonical text1f724f94631c5b8dd564c4808d89d3f0d81a6770a7303c6352c7dfa76ec40f3e
Markdown422acacbd6188e3f3fd6d5cfa0b402339f607af08db0f0e30dad9077b3fbcacd
PDF
Publication pagecd8baf1948fabd0bbdb8974be7647559453bf095abd757809093d02196ed5d0a
Manifest0a7226f392c1684a0844fc125bb09e26abc0f9ad9c4bac54b06b1ba84220754e

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
SignatureLkMsDRtSWPoJ6XdHk+nzFAq6J97ESiOgIT2p1FEpBAIUvkFzJTIKDAjhG0L2unMFBEZKm4zHc9+8VHbmLVwfBg==
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

2026-09-17T11:38:01.306825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030316
observed cd8baf1948fabd0bbdb8974be7647559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.288819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030316/manifest.json
observed 0a7226f392c1684a0844fc125bb09e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.269395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030316/publication.md
observed 422acacbd6188e3f3fd6d5cfa0b40233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.250090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030316/publication.txt
observed 1f724f94631c5b8dd564c4808d89d3f0...
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.