OpenTechnical

OT-2026-000089406

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000089406) never changes.

Identity and time

Publication numberOT-2026-000089406 · never reused
Internal UUID01a0ae9b-db01-7878-b777-09e9388df68b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089406
StatusPUBLIC

Content hashes

Canonical text963f0f1f77efa4f97de691c65eadff49cb1430315c7609165a515080b9d8240f
Markdown71bf66e5d4ebb21ff467b475a0f7bbc39d4ef570f9c12b9d3110742525f26043
PDF
Publication pagec29a4ad8636083eb6e80d3abf949392b10549ad53f10e24f1e662a9a5d713dca
Manifestead77219c1e224de52ddbef7f7fb3c8c02f7b5afe3e5489653a3711d25786199

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
SignatureSB99Hm0J4OeFO4RbV0vCc9nzYkAOecGikgrOecV7PH6mPKxwbp/32/DNuQkcbrgbkWqVilGaCiyL1/ncXwA+AA==
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

2026-09-17T09:47:32.823606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089406
observed c29a4ad8636083eb6e80d3abf949392b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.805804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089406/manifest.json
observed ead77219c1e224de52ddbef7f7fb3c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.786281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089406/publication.md
observed 71bf66e5d4ebb21ff467b475a0f7bbc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.767802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089406/publication.txt
observed 963f0f1f77efa4f97de691c65eadff49...
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.