OpenTechnical

OT-2026-000016636

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000016636) never changes.

Identity and time

Publication numberOT-2026-000016636 · never reused
Internal UUID01a0ae6e-5918-74a6-b80c-61c6c2e079cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016636
StatusPUBLIC

Content hashes

Canonical textd75e6b52bd2d55747d9cde84927607a17dd04e57c7689aecf7783017eefa1ed4
Markdown6e43d969065442176b30b2059e97c2b9daa07304c553bac9cdba894d1060fcf7
PDF
Publication page10d1f4a639800de6ded81511b75493e36b71a8ab93535360f3c9a44b741a1499
Manifest7be6daa6ec3f05b554bdf4e6722241e0dd9550fee3fc872b84c408432f589b55

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
SignaturePqhgypSunWciarM4ET+BZHhbB92V1KVprpzrplzr8t1lBO85g/or1orMu4v2kDawGZ9xLRvmBHw9aViI8iKYAQ==
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

2026-09-17T12:02:49.789799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016636
observed 10d1f4a639800de6ded81511b75493e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.772037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016636/manifest.json
observed 7be6daa6ec3f05b554bdf4e6722241e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.751681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016636/publication.md
observed 6e43d969065442176b30b2059e97c2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.731713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016636/publication.txt
observed d75e6b52bd2d55747d9cde84927607a1...
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.