OpenTechnical

OT-2026-000046041

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046041) never changes.

Identity and time

Publication numberOT-2026-000046041 · never reused
Internal UUID01a0ae7e-0329-7fdd-8fa8-23a6f1dc69b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046041
StatusPUBLIC

Content hashes

Canonical text2fc9b4fd61e1b080d28adc2454350f69009f083ad4abce34cfa73c2e08c1b2e0
Markdownef8feadcef40c09d8c9c4824f6dcccc3346a9112c4eef4b255546ab77cdb244e
PDF
Publication page882fda365803582885105af3b18cce2361fc418dcb81c9b48270c23ae7028736
Manifest9914d94fa603500ec439fc0b46452d062f65241cd4b17eef0043c4ebacbc0025

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
SignaturenVdqDg2GSLWpbfMD/+t777JZMH4p2JK+uEix9kvQxhda2Of9FQHXZM44JBgoM73WwOFKxna+PG/+AZGnK/hcDg==
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

2026-09-17T11:08:59.675483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046041
observed 882fda365803582885105af3b18cce23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.655110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046041/manifest.json
observed 9914d94fa603500ec439fc0b46452d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.619163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046041/publication.md
observed ef8feadcef40c09d8c9c4824f6dcccc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.586042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046041/publication.txt
observed 2fc9b4fd61e1b080d28adc2454350f69...
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.