OpenTechnical

OT-2026-000029750

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000029750) never changes.

Identity and time

Publication numberOT-2026-000029750 · never reused
Internal UUID01a0ae73-5e24-7287-b2c5-c9cc50406359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029750
StatusPUBLIC

Content hashes

Canonical text31355b02797d993092499c86573b2de26fb36fa8b0ff9fcf8e11e985f63bc982
Markdowne22572b502870fcc6fd3b455388ee0c6172ff5a9b83bfddafeeedbb91f20c5e0
PDF
Publication pageae1812b92a97fa1c72dadbf263dc8db9f4054e1e8257b14c6fa05493dfce2247
Manifestcd315ac74d7d54a8d3680761cae20fb4224338ef78466ba9a1b0f0b201b993f5

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
SignaturelivKRl7ZM69TojExN5lf1xVOhGck7ESk/9IZdG96Mc5vxy1NGh5kbznF5CfwSTNiJVyMAH7FDZHiF3LyeIBNBg==
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

2026-09-17T11:39:30.572320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029750
observed ae1812b92a97fa1c72dadbf263dc8db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.554608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029750/manifest.json
observed cd315ac74d7d54a8d3680761cae20fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.535212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029750/publication.md
observed e22572b502870fcc6fd3b455388ee0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.514507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029750/publication.txt
observed 31355b02797d993092499c86573b2de2...
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.