OpenTechnical

OT-2026-000087339

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two 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-2026-000087339) never changes.

Identity and time

Publication numberOT-2026-000087339 · never reused
Internal UUID01a0ae9a-cd4f-7984-b793-62069454ed1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087339
StatusPUBLIC

Content hashes

Canonical text528b589d537efed07e254f4a8dd1799c2c471626021a35ab54e08a2b55a87efd
Markdown0f819a221875eaea9b582d4676e7cad6635b077d2b8c1d83f2bdfc8a0856f8d9
PDF
Publication paged4a5c96123c1ff2e30f7ab0fd7b711cfe911723df0b831385ccb5069d487d49f
Manifestb83e308d5cad72ab10bc36a44c6aef9f7ee0c515319dd4397895c903aeaf3e8e

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
Signature8vw1DCZd3M+FBfhtZeHWHlU0+468AKyoeZ7dyLNaQu0u32cNYTBfxOrJV/Z/pGa2+2eBKG3UY4xhb0TWTl00Aw==
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

2026-09-17T09:50:30.615154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339
observed d4a5c96123c1ff2e30f7ab0fd7b711cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.614946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339
observed d4a5c96123c1ff2e30f7ab0fd7b711cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.598232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339/manifest.json
observed b83e308d5cad72ab10bc36a44c6aef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.597761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339/manifest.json
observed b83e308d5cad72ab10bc36a44c6aef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.581702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339/publication.md
observed 0f819a221875eaea9b582d4676e7cad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.580902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339/publication.md
observed 0f819a221875eaea9b582d4676e7cad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.563490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339/publication.txt
observed 528b589d537efed07e254f4a8dd1799c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.563463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087339/publication.txt
observed 528b589d537efed07e254f4a8dd1799c...
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.