OpenTechnical

OT-2026-000100802

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100802) never changes.

Identity and time

Publication numberOT-2026-000100802 · never reused
Internal UUID01a0aea3-66f5-7f6c-9670-3eafc15015fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100802
StatusPUBLIC

Content hashes

Canonical text44ef17ff627d5ed56bdd7a15a5c0a18263f6b9701e5069df5a5c05883442b884
Markdownf31a2b8ae6f4399400b39ebe9d09636d8cdce0d1b293afe5fced95dcda91205f
PDF
Publication pagedc58bcb1fb8bcb68741bbdc97c4bad14a70e8903f59537f469a108e9d64a356d
Manifest8ca4c737d24925b64331ddcf34620bddb445d514df59a96e9324f4d955183293

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
SignatureHTt3FeyDn3zH6ht5vFnPajpzVyL9M8NFCZ0Ekm7qyiSVG/L/eLhN0uqGpYmB0EGhe4CF/FrL14RwSStCp+KtCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:42.993598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100802
observed dc58bcb1fb8bcb68741bbdc97c4bad14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.975332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100802/manifest.json
observed 8ca4c737d24925b64331ddcf34620bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.955936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100802/publication.md
observed f31a2b8ae6f4399400b39ebe9d09636d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.936197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100802/publication.txt
observed 44ef17ff627d5ed56bdd7a15a5c0a182...
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.