OpenTechnical

OT-2026-000025841

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000025841) never changes.

Identity and time

Publication numberOT-2026-000025841 · never reused
Internal UUID01a0ae71-a83e-7a20-9d75-7ebfcf859537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025841
StatusPUBLIC

Content hashes

Canonical textfa8e1a3edba3739e850a5bbc74576cf27000b9c39a4356df75aca904595a15ee
Markdownd210a4fce326b13a7e67e668231d197c4c92942e15a4f27c7986c013dab340b5
PDF
Publication page55b9f3b6257cb30449ac49dc121e768a6890292e2354c4884a41c65043a33501
Manifest8435742de069bcff94a2132f9b33b5c88544260a494a86eb5e286e0eb61f5845

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
Signatureq+q1ImRJ/vUjgrCM+bgeMvrhc7zzFvpq3II7Mo4NoFHMcFznlac8Bt+5MXBTeqZV3UAZu0TKOknIwnkey/6eCw==
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

2026-09-17T11:46:04.110069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025841
observed 55b9f3b6257cb30449ac49dc121e768a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.092224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025841/manifest.json
observed 8435742de069bcff94a2132f9b33b5c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.074260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025841/publication.md
observed d210a4fce326b13a7e67e668231d197c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.057459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025841/publication.txt
observed fa8e1a3edba3739e850a5bbc74576cf2...
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.