OpenTechnical

OT-2026-000040419

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000040419) never changes.

Identity and time

Publication numberOT-2026-000040419 · never reused
Internal UUID01a0ae79-2701-7a7a-a352-f73cedace9d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040419
StatusPUBLIC

Content hashes

Canonical text1fe776ad3160d3c88492e665685524c747a13b7adc57d56aa930ec4268ed0237
Markdown61be0d92b86546f957aadb6eb7ff1ae026c6ea4e66d38ef5f61f48a108bfc0d8
PDF
Publication page2952b1b532d58025976f5a95cb56916a938a79d582eb80f52e4fe3a1100a77bf
Manifestbd2b8966a51654cc9dd312e45ad836e3d24612811337f2aaec305d48bc1a4475

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
SignatureBP/mM3W3PRjh2WvqblGBk0JzUEEEeYrLip9tVHuOBzt8dCrJEllgcs5iIiwR5gHn/9/mddGg+iGfPfqR5Vs3CA==
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

2026-09-17T11:19:27.500743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040419
observed 2952b1b532d58025976f5a95cb56916a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.481136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040419/manifest.json
observed bd2b8966a51654cc9dd312e45ad836e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.460953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040419/publication.md
observed 61be0d92b86546f957aadb6eb7ff1ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:27.441802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040419/publication.txt
observed 1fe776ad3160d3c88492e665685524c7...
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.