OpenTechnical

OT-2026-000013765

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000013765) never changes.

Identity and time

Publication numberOT-2026-000013765 · never reused
Internal UUID01a0ae6d-8de9-7622-a2a2-74e13c2f7550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013765
StatusPUBLIC

Content hashes

Canonical text66d8088d120029b8ae2653f361a6ec268e742698656a1b7ca5151d7f2f526f43
Markdown05a254c95fed4a7d862726123464f58430d70f27640b489c9a1129213d3af7ca
PDF
Publication pageb5acd159eeec2b79b3396da7714fdcd31577f2cfbf4e8459725b60a5a32cd9f7
Manifest3178ed839a38cf9f41946fcb77d9c9691657e793687c8022d5b9f6e41d8489ed

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
SignatureuqsBFHJpTZGuFeMdkMIEVVtF+yf4UDy22JGBOkXhJ9rtXR+BqQZXE/dpgK1rzA0/eyyn5TIh7MPJj3aoIizgCQ==
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

2026-09-17T12:08:50.523956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013765
observed b5acd159eeec2b79b3396da7714fdcd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.502464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013765/manifest.json
observed 3178ed839a38cf9f41946fcb77d9c969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.481254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013765/publication.md
observed 05a254c95fed4a7d862726123464f584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.460178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013765/publication.txt
observed 66d8088d120029b8ae2653f361a6ec26...
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.