OpenTechnical

OT-2026-000004969

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000004969) never changes.

Identity and time

Publication numberOT-2026-000004969 · never reused
Internal UUID01a0a929-8ae9-7594-bb7a-a12e925470bd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:41:07.179893Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004969
StatusPUBLIC

Content hashes

Canonical text41dcd6ea82db13cdff2c552dab406143495ae8b484d6079bf87a1249eae3412d
Markdown427e967eea160868524da041359f7d0ddc2c138d44dca957b98a56bbd14701f5
PDF
Publication pageacb156713237eb8226ffbf0807511158f67c50a7b120ffd9b57ae3a6cae9494e
Manifestc79fbc484b8fccdb8687cd9398e5879ba6743e50cda540829c9e55da57cd9285

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
SignaturecV6vVg1N6f3xZ+ZbuNw6W6JJydqZkXUDnQ9zpOAkHO6gLXkSDLovyyPlhETnFuODn3wvhTlwSMPcMBoce4UyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:29.699917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004969
observed acb156713237eb8226ffbf0807511158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:29.687445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004969/manifest.json
observed c79fbc484b8fccdb8687cd9398e5879b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:29.674912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004969/publication.md
observed 427e967eea160868524da041359f7d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:29.661191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004969/publication.txt
observed 41dcd6ea82db13cdff2c552dab406143...
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.