OpenTechnical

OT-2026-000054860

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054860) never changes.

Identity and time

Publication numberOT-2026-000054860 · never reused
Internal UUID01a0ae86-1285-7ade-8876-bc3f897ca12a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054860
StatusPUBLIC

Content hashes

Canonical text8a871861e1349b107594d9d3ab9273a30e7af05c91ee2ab9637efd169c6d4312
Markdown2ee2452d45eb247438eb7a729be6c1300c83a2889e83f57e8969cf03e82b0804
PDF
Publication page472407423ed9a54e4eec6f730a89be87bfc6ae9f87d348a8bfc98d0794e23ad0
Manifestb53c838390ade2f6ca2c1684a2be86f4d9cfa143f5fdfae414508b765bc01c6c

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
SignatureMda8hsqvYKJzxrwQjdPlF8vOWTHSu9z5I4HAiMK4kx6djld4yyVf210kW3oR29pq/mFstBuGG0+uqvmpLxPRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:04.710280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054860
observed 472407423ed9a54e4eec6f730a89be87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.693503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054860/manifest.json
observed b53c838390ade2f6ca2c1684a2be86f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.675281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054860/publication.md
observed 2ee2452d45eb247438eb7a729be6c130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.658518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054860/publication.txt
observed 8a871861e1349b107594d9d3ab9273a3...
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.