OpenTechnical

OT-2026-000086997

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000086997) never changes.

Identity and time

Publication numberOT-2026-000086997 · never reused
Internal UUID01a0ae9a-9f2c-71be-8c76-ada68608dc9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086997
StatusPUBLIC

Content hashes

Canonical text9de712c78b1b33c2881a68e200f3688496cf1be6220ef238adb735989a3ac038
Markdown64c5dace23b60fc141d8d6eaec6574e0ff121569f744c24231e9adcf551dc69f
PDF
Publication page36bbc85e45dd00c9b42becb38fe142c6b065bc5128d0feb11e826a3a0e7d1dd1
Manifest19643bc0a3f81c0b74830a8e347d032b5bc3c0e99db57b2f19984639e2c22fee

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
Signaturegi+sgykl6EIrre9C+lSa8ifZQObWFoMpWpc3IITTSOvr54saFYH+eXDiZ4Lys2Gnwek5bmTS8IRm01EU2/A+CQ==
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

2026-09-17T09:51:12.804452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086997
observed 36bbc85e45dd00c9b42becb38fe142c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.787545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086997/manifest.json
observed 19643bc0a3f81c0b74830a8e347d032b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.771269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086997/publication.md
observed 64c5dace23b60fc141d8d6eaec6574e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.753966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086997/publication.txt
observed 9de712c78b1b33c2881a68e200f36884...
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.