OpenTechnical

OT-2026-000066823

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066823) never changes.

Identity and time

Publication numberOT-2026-000066823 · never reused
Internal UUID01a0ae8e-ce43-7e9a-8a23-55955ae1bada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066823
StatusPUBLIC

Content hashes

Canonical textdd2780a694feba5d8aa2e296eb4d9fab4fb1d504bf39644ac028c4b06c81a6b7
Markdown5a44e47a7610c6984f78789cc651f3fb87262e120575f98da77b9d5afbd9e03f
PDF
Publication pageb325203a68b4752f11a8b44f47170b64ccc0aeabc93e6d1c7ed7ecb8674b1d00
Manifestb81970857e5af39679f868d3a75ca789d24efe4e62f18298ac30664560d56003

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
SignatureMIDU7CR3c6Hwj+E31uzAkZFfeIdOw+3wzvSiW5fWpJEGE5pFnsd9A84FYZEmis7VHrnk9EMMqkHtZDmJghXpCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:15.314739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066823
observed b325203a68b4752f11a8b44f47170b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.297909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066823/manifest.json
observed b81970857e5af39679f868d3a75ca789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.280567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066823/publication.md
observed 5a44e47a7610c6984f78789cc651f3fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.262962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066823/publication.txt
observed dd2780a694feba5d8aa2e296eb4d9fab...
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.