OpenTechnical

OT-2026-000019199

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000019199) never changes.

Identity and time

Publication numberOT-2026-000019199 · never reused
Internal UUID01a0ae6e-f391-72f7-bc11-17412b392c53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019199
StatusPUBLIC

Content hashes

Canonical textd91744ea3628e2bff0af9ace7829a206d7db3d9b657a0e0931de86e25e888da7
Markdown2fc9d873c7d4c221536559dc71400eaeb31e7946ef8e8c583ee90990e714d178
PDF
Publication page90409fd391b8f40834fc796b76ccc2cfcebc88ecdbbdc38bf3f5ca041142c1a4
Manifesta87ec6ec76ae8c2d048810882e03753acf3e72d2c5525e8b561dd8d602d3f145

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
SignatureE9vobldLFzwWObIBiwjRFS1TXOvpCszuWEC8iwzzOEpWMS/PLUVnxOvv1GJZ8DnbM7OhV5AqNbepOoBFLYc9CQ==
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

2026-09-17T11:58:31.204841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019199
observed 90409fd391b8f40834fc796b76ccc2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.186947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019199/manifest.json
observed a87ec6ec76ae8c2d048810882e03753a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.170323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019199/publication.md
observed 2fc9d873c7d4c221536559dc71400eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:31.153357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019199/publication.txt
observed d91744ea3628e2bff0af9ace7829a206...
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.