OpenTechnical

OT-2026-000089784

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000089784) never changes.

Identity and time

Publication numberOT-2026-000089784 · never reused
Internal UUID01a0ae9c-1a22-78f0-a44a-43bddcad61ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089784
StatusPUBLIC

Content hashes

Canonical text972561edc7f4f6094940c991323c4c1dc5bf6cdbbafd761da6034813b93debfa
Markdown6407138d4f5fc4f669e5e66582ec012224c656f139c4c351186cc0ae1a204ce4
PDF
Publication pagefbb632ef4f9b522958343d241fdc72ba3f3ac5b7508d04e749596a680b7cb026
Manifeste03717579800e8fcd618482b8f183a574450f0b84f0473b4ba6ba9c557b35209

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
SignatureVDyuxKTXY25eMd5fSF+/vB8ec02G3RiGTWVxnTu6OxfJKeGvXC/H2G0rH/wl9+i6Z7ykhLi9tTaDX8a4okaSCw==
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

2026-09-17T09:46:52.478166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089784
observed fbb632ef4f9b522958343d241fdc72ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.462363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089784/manifest.json
observed e03717579800e8fcd618482b8f183a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.444082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089784/publication.md
observed 6407138d4f5fc4f669e5e66582ec0122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.428254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089784/publication.txt
observed 972561edc7f4f6094940c991323c4c1d...
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.