OpenTechnical

OT-2026-000006001

Publication integrity record

Vacuum cup gripper, three zone face, two stage ejector, 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-2026-000006001) never changes.

Identity and time

Publication numberOT-2026-000006001 · never reused
Internal UUID01a0a94b-e1fb-781f-a2cd-f35c80594e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:37.694307Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006001
StatusPUBLIC

Content hashes

Canonical text9f663a47802167c44753e6b5ac04e9ae241b6874c8ab5f57e2411e05220ea2ca
Markdown09f76196888c2fcca2ee1f1b3cba8671daed9b826cf3537a8cb38134a2a52236
PDF
Publication pageb4337b1942d9ba9d2a912ea6399365002c1dd37845233d3c4f329449631934d7
Manifestff579be44e76b737c2e7fb7138c9b2af2054d4203b3a3f20d426eeeec8d50d68

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
SignatureU3vCtrETAlti/RBbzONFA/032XbDsSwW/rtren/ig8lwoiMhb8K+8LJ3PfCSRzH7+b2KSCBKE5juDwvpkxhICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:07.231240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006001
observed b4337b1942d9ba9d2a912ea639936500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.214734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006001/manifest.json
observed ff579be44e76b737c2e7fb7138c9b2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.198514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006001/publication.md
observed 09f76196888c2fcca2ee1f1b3cba8671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:07.179160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006001/publication.txt
observed 9f663a47802167c44753e6b5ac04e9ae...
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.