OpenTechnical

OT-2026-000094557

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000094557) never changes.

Identity and time

Publication numberOT-2026-000094557 · never reused
Internal UUID01a0ae9e-f4e9-784e-a28d-c20d4d2b7a59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094557
StatusPUBLIC

Content hashes

Canonical text29f9313d37a9aa7b626d3361a4c32603f918f9cccfc5b5d528c9df2624c7bfcd
Markdown6fab70452dab9d2c3b3a37e08b4eeb9e30df79fae7fa475baef8aa4992c7912f
PDF
Publication page9b8bc7d42f020434f650cd3643301f8e171c2ababb33828bdaa65f0b8505f258
Manifestbc444b6255f770dd93bee291fa6aa040b23b2ba9dc8842d0ca46495c034e57ba

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
SignatureHq4OrhW+HS8G9zBrE3pIRm3C1uhT+4HEDg6D/gKscAxKP2+ZSBvOvwEm0i7LtJSNoUZcVVUyGc7FKkBcIG86Bw==
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

2026-09-17T09:38:00.429488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094557
observed 9b8bc7d42f020434f650cd3643301f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:00.411873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094557/manifest.json
observed bc444b6255f770dd93bee291fa6aa040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:00.393184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094557/publication.md
observed 6fab70452dab9d2c3b3a37e08b4eeb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:00.375637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094557/publication.txt
observed 29f9313d37a9aa7b626d3361a4c32603...
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.