Pith Number

pith:6PHPU24Y

pith:2019:6PHPU24YHE5Q3JFGHM5BFLY73D

not attested not anchored not stored refs pending

John Transform and Ultrahyperbolic Equation for Lightfields

Haotian Li, He Qin, Todor Georgiev

arxiv:1907.01186 v1 · 2019-07-02 · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PHPU24YHE5Q3JFGHM5BFLY73D}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:41:41.023704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3cefa6b98393b0da4a63b3a12af1fd8d3e38736b4b8dc16a00e63504aca8f30

Aliases

arxiv: 1907.01186 · arxiv_version: 1907.01186v1 · doi: 10.48550/arxiv.1907.01186 · pith_short_12: 6PHPU24YHE5Q · pith_short_16: 6PHPU24YHE5Q3JFG · pith_short_8: 6PHPU24Y

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6PHPU24YHE5Q3JFGHM5BFLY73D \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f3cefa6b98393b0da4a63b3a12af1fd8d3e38736b4b8dc16a00e63504aca8f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16fcbecf9bc915c22e5b1f41265913a991debe2233cb67f244cc73a8e8c49f98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-07-02T06:15:29Z",
    "title_canon_sha256": "fa543b2a8c720ba1e1d286805c4410cf8fa398e3f7a2758266cecf4468eac73e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01186",
    "kind": "arxiv",
    "version": 1
  }
}