OpenTechnical

OT-2026-000052924

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000052924) never changes.

Identity and time

Publication numberOT-2026-000052924 · never reused
Internal UUID01a0ae84-a42f-7ddb-95c8-31d4f6c26be7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052924
StatusPUBLIC

Content hashes

Canonical texta0bc92345c15dd78498990b3fb1831ea009bfcd291cb774c3b2515cdfce9ada9
Markdown9e76335a56753f2aeaad1dd7f649f54ddc340ee95917fa3186e83ddbed5bc7dd
PDF
Publication page2a1b2c04f7bf160ea6a52256c26d053c87eaf3f81fb3489545e7c7ee565fbcd9
Manifest4c34128fad23691db7980b5b32cead640d96b95f9e53f1a9e833476b08069b1e

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
SignatureuGn4KemK5gx5yZILzYACJMBYxqfsYUWDt5COu4aydg2f9jw9zNKnyCvSUiunr68RQ7B2YAnUvaW64UVDLVTcBQ==
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

2026-09-17T10:56:34.327348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052924
observed 2a1b2c04f7bf160ea6a52256c26d053c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:34.310531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052924/manifest.json
observed 4c34128fad23691db7980b5b32cead64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:34.292454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052924/publication.md
observed 9e76335a56753f2aeaad1dd7f649f54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:34.274328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052924/publication.txt
observed a0bc92345c15dd78498990b3fb1831ea...
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.