OpenTechnical

OT-2026-000053583

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000053583) never changes.

Identity and time

Publication numberOT-2026-000053583 · never reused
Internal UUID01a0ae85-0a93-7ac9-99c4-b04c3e433508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053583
StatusPUBLIC

Content hashes

Canonical text611ebdd1a41594fef8dcb71b131a83343d228e5430714a72160206c35c25438b
Markdown005017ae2e847b8ed14f077fa52a8b060f64a1cab96f89ae64f12aa1b742e212
PDF
Publication page233e6149e9ed94d595b1a86b0ea1f0ccd566b21b528dd027b68f849f1a3e5072
Manifest9fde98295b9badad2766fa4d1225b534b839467a860942c2050269de1e5ca824

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
Signaturenz2pxfA5lzp7YbQlnfU2N0xhxIGlykpVZ2Uto0Nz9PP/LGP0sEjJdDUuCnjaD5PjAOezCB54LbKdfIGEiEsiCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:27.009467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053583
observed 233e6149e9ed94d595b1a86b0ea1f0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.993453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053583/manifest.json
observed 9fde98295b9badad2766fa4d1225b534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.976962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053583/publication.md
observed 005017ae2e847b8ed14f077fa52a8b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.959247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053583/publication.txt
observed 611ebdd1a41594fef8dcb71b131a8334...
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.