OpenTechnical

OT-2026-000022014

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000022014) never changes.

Identity and time

Publication numberOT-2026-000022014 · never reused
Internal UUID01a0ae6f-bb5c-7c0b-b182-ecfde5fa0a9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022014
StatusPUBLIC

Content hashes

Canonical texta75f0230d6af866a0fabfa3ecd12f678e503401ec205e581aacaceaa60f7c299
Markdown677d879e500a0caad8e984bf89b15fb7eaf671a921183d04325fc565c47dba22
PDF
Publication page46c4d799a059cc3b1ffe3ee3e754a419f8f468f67bd3f0342ee394f401dbbccc
Manifestcc20e87857b1c528aae1d052b547e09095a33cc57c75b5965e1c5955eb0a4b34

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
SignaturelvFNeq2Ry0O0Z1oqlHE/t7YSEZJI+V2HdLIx5UXY8ercQmr7vHWEBIDSlKHUA2xOhAIQPovpzKFY43fNOVmzAw==
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

2026-09-17T11:54:41.833938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022014
observed 46c4d799a059cc3b1ffe3ee3e754a419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.816810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022014/manifest.json
observed cc20e87857b1c528aae1d052b547e090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.799147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022014/publication.md
observed 677d879e500a0caad8e984bf89b15fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.781798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022014/publication.txt
observed a75f0230d6af866a0fabfa3ecd12f678...
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.