OpenTechnical

OT-2026-000044293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000044293) never changes.

Identity and time

Publication numberOT-2026-000044293 · never reused
Internal UUID01a0ae7c-39d6-7ae4-8e38-92ca745ccb33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044293
StatusPUBLIC

Content hashes

Canonical text16760b7ba66f1346cc3566013fc157f7bbb5e7a8d8c4b22577ec56df7da45fd9
Markdownea6dba489fa58fa40318234a1e43ca141e73850d646cfb6f0640565b8f5d3689
PDF
Publication pagee11ecbcf9d2dc8e6eab5424266c9f4023c5890b68837e47c53c3c73892479071
Manifest501c37513da7f2a0a83e13a51e169a6da629d7e9a8ae0f64adf36c9cef47ca31

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
Signatured/0krDZWRtbPTjP/ZV8UYflN+48xKYJD6IV88uwfJwUpFI/Qd3h6p5w9E/d4mxtzJatzmOAMjyq23xG/KLMpAA==
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

2026-09-17T08:30:14.467550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044293
observed e11ecbcf9d2dc8e6eab5424266c9f402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.327449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044293/manifest.json
observed 501c37513da7f2a0a83e13a51e169a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.307402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044293/publication.md
observed ea6dba489fa58fa40318234a1e43ca14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:14.284611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044293/publication.txt
observed 16760b7ba66f1346cc3566013fc157f7...
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.