OpenTechnical

OT-2026-000024541

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000024541) never changes.

Identity and time

Publication numberOT-2026-000024541 · never reused
Internal UUID01a0ae70-e8cc-70ff-9a57-d7adca6c318a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024541
StatusPUBLIC

Content hashes

Canonical text6eb9079e13833394c8e7d83f38bbc4cd9b59ad2e3389ad7b60c5fbcc7e772fb5
Markdownef1d3c5fc02a68e98397e46c90f3ebb1edb254e9bdbae245d00bb313f1d15268
PDF
Publication page3de998b2c550eb234507f5459a7173836bb4f9198c6eca7b572766938925ebc4
Manifest6b9723865b995560001999a033c9aa605672c61b1db6946de6e714f2d915f69b

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
SignatureL/qdKyaTBIol02Qjv9uGPU9GbedA2u3by0Iw+skY/JJVDjb8qEerjB0JWkLxCq2cm4O8y8jm4K2mGPQFcXEmAg==
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

2026-09-17T11:50:34.107571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541
observed 3de998b2c550eb234507f5459a717383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.077673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541/manifest.json
observed 6b9723865b995560001999a033c9aa60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.060010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541/publication.md
observed ef1d3c5fc02a68e98397e46c90f3ebb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.040832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541/publication.txt
observed 6eb9079e13833394c8e7d83f38bbc4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.369165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541
observed 3de998b2c550eb234507f5459a717383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.351972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541/manifest.json
observed 6b9723865b995560001999a033c9aa60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.332139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541/publication.md
observed ef1d3c5fc02a68e98397e46c90f3ebb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:43.314974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024541/publication.txt
observed 6eb9079e13833394c8e7d83f38bbc4cd...
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.