OpenTechnical

OT-2026-000027112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000027112) never changes.

Identity and time

Publication numberOT-2026-000027112 · never reused
Internal UUID01a0ae72-3454-70b9-a1e0-ed211ea239a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027112
StatusPUBLIC

Content hashes

Canonical text21109675559a3a654f39ea801b61199fba34ca0799f56e1526ad18baf5e5e4a2
Markdownff770b0ee5d6dbcab77838fcaebf063f60aa3665bd2040d4b156c8987589eaa3
PDF
Publication pageac0e24f044d5b14f67853a2346c6ee624ee98dcc74073b5f5a8be6a7fae4b7dc
Manifestb7c3e09c0033a78532e6a3287aa4bce595c5af5c12972d45cb4c8d5ff6bb2f11

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
SignatureKE6EHljzRPcuyIOTuqhizAD1ABuyZENLKgXV2AfR+njOukioDK+b4se1yUHYtzCco84bjv3KRGvaGKacAMtqDA==
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

2026-09-17T11:43:53.008180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027112
observed ac0e24f044d5b14f67853a2346c6ee62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.991922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027112/manifest.json
observed b7c3e09c0033a78532e6a3287aa4bce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.975807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027112/publication.md
observed ff770b0ee5d6dbcab77838fcaebf063f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.951485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027112/publication.txt
observed 21109675559a3a654f39ea801b61199f...
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.