OpenTechnical

OT-2026-000086580

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, sustained 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-2026-000086580) never changes.

Identity and time

Publication numberOT-2026-000086580 · never reused
Internal UUID01a0ae9a-2c98-7ccf-81ab-81f27ed22b01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086580
StatusPUBLIC

Content hashes

Canonical text70076af7abc0e3e2ea71a9297261dffe03064f59a53a6d7de36e3c4a9b0140ec
Markdown8523d08a2281cdc4cf365837818f98f5590479a35e5549aa288ae516eeb0232c
PDF
Publication pagea57e07dce2a3e4210502f6eb7f4ae8e7b795a341a210bc5ddaa8987dded4b7a5
Manifestfff59ce432672225e3fa5ef8c7db47082693d51f217230c397f2f5ccbb3ad5a6

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
Signaturea+aELanmph1YLYjOaOnmprp90tuJmoZ/sW695e4NTezUrzc/gTDEKxJ29Lh9E1jaMxN0ZMv3xjXkdNNXHHfJBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:25.055214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086580
observed a57e07dce2a3e4210502f6eb7f4ae8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:25.037163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086580/manifest.json
observed fff59ce432672225e3fa5ef8c7db4708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:25.019233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086580/publication.md
observed 8523d08a2281cdc4cf365837818f98f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:25.000535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086580/publication.txt
observed 70076af7abc0e3e2ea71a9297261dffe...
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.