OpenTechnical

OT-2026-000034520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000034520) never changes.

Identity and time

Publication numberOT-2026-000034520 · never reused
Internal UUID01a0ae76-1ed0-7c71-8ce9-4c3e3d41a46b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034520
StatusPUBLIC

Content hashes

Canonical text28e10e64988a6313c6dd77e8c517905fd5b3f02c6c234bf5c5847aa50e19ec5e
Markdown33eb66ed34736214f4d474a54535adc8240150295e4d8c139497246297230287
PDF
Publication pagefcf965524f69fbb3e2e97a5172dd1ebebe9c1a1bac252b338d123b882175de35
Manifest18be82b7daecba254d57d59c04897aabc486d6441529562570d624c1719e2d66

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
SignatureZnM9/qvwVuVlsut5mezV3WFP86FIU1ROIR4XYs8tktmmmjw2NATwKp/Xl6rzZ2Rtd09nF9lt4aAf+SOeZNKiCQ==
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

2026-09-17T11:28:52.371618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034520
observed fcf965524f69fbb3e2e97a5172dd1ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.355931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034520/manifest.json
observed 18be82b7daecba254d57d59c04897aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.339864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034520/publication.md
observed 33eb66ed34736214f4d474a54535adc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.320987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034520/publication.txt
observed 28e10e64988a6313c6dd77e8c517905f...
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.