OpenTechnical

OT-2026-000036072

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000036072) never changes.

Identity and time

Publication numberOT-2026-000036072 · never reused
Internal UUID01a0ae77-01cd-726d-ad5c-91517153f391 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036072
StatusPUBLIC

Content hashes

Canonical text339bf34699fdc36ac39cb853184aff22a36dbdcc25b21c693ddbec0ce5099b30
Markdown6f01ed8e208c9dc10d0444d264e5370e96a88f8fec9aa59fb124e2335d51964b
PDF
Publication pagef4b7fb6de44b0b8b4a74a582b26ece06648d1090c99c76722d48ef747c933dda
Manifest085cb431bd9ddcf293483b15e86dc44fb8ccede60420730904901caabdd9c1d2

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
SignatureIR+zMjsGWbBemdTTiTrt3yjqh3t8sFQiebggEmt2p+UOHEp/+IgFYoYrsM+Ln2SQ2v0FZVYFlHniLufKU7xECQ==
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

2026-09-17T11:26:15.578631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036072
observed f4b7fb6de44b0b8b4a74a582b26ece06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:15.562339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036072/manifest.json
observed 085cb431bd9ddcf293483b15e86dc44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:15.546060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036072/publication.md
observed 6f01ed8e208c9dc10d0444d264e5370e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:15.529756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036072/publication.txt
observed 339bf34699fdc36ac39cb853184aff22...
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.