OpenTechnical

OT-2026-000038357

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038357) never changes.

Identity and time

Publication numberOT-2026-000038357 · never reused
Internal UUID01a0ae78-2d52-7d0d-8b90-8a32da15b52e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038357
StatusPUBLIC

Content hashes

Canonical textf0d714e3bfa4e8d93afdc5f17f392f221c6cf12223ce1f1bbc0ff5afd61b8b7d
Markdown491d64f86b5a4569b35ecc451070ecf7f11e8008e52627c989b7d6961147d965
PDF
Publication pagec03ec7ad5e923c68fd2f4a39e1190b28b73b06d815980032123300176b70a168
Manifestad7a3abeebcadc9ac4c283de4a6ea65bee4f035108c60abdca827b58ba1b8a19

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
SignatureZIsSAKUTgG+QX+eI6qJg5lxUug3G/msXVAu4VURp+5kRhTN/UocnZysjou5vjOqwNcgShaxbn+iqCd52KOOFCg==
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

2026-09-17T11:22:32.777345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038357
observed c03ec7ad5e923c68fd2f4a39e1190b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:32.757742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038357/manifest.json
observed ad7a3abeebcadc9ac4c283de4a6ea65b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:32.737299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038357/publication.md
observed 491d64f86b5a4569b35ecc451070ecf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:32.719340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038357/publication.txt
observed f0d714e3bfa4e8d93afdc5f17f392f22...
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.