Pith Number

pith:RCLXYCQY

pith:2013:RCLXYCQYGG5RS5RGADY25MESEU

not attested not anchored not stored refs pending

The Tricomi Equation

Gui-Qiang G. Chen

arxiv:1311.3338 v3 · 2013-11-13 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCLXYCQYGG5RS5RGADY25MESEU}

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	2026-05-18T01:36:20.955112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88977c0a1831bb19762600f1aeb0922533290bbc06be688b92bb5c5bd985bdfd

Aliases

arxiv: 1311.3338 · arxiv_version: 1311.3338v3 · doi: 10.48550/arxiv.1311.3338 · pith_short_12: RCLXYCQYGG5R · pith_short_16: RCLXYCQYGG5RS5RG · pith_short_8: RCLXYCQY

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/RCLXYCQYGG5RS5RGADY25MESEU \
  | 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: 88977c0a1831bb19762600f1aeb0922533290bbc06be688b92bb5c5bd985bdfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c9ae5aaac25a8e027dbcd3893d75dfec2caa4800e670d08e65afa0673f8302",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-13T23:26:46Z",
    "title_canon_sha256": "f5c6038b2a0d9590bb0202fcd1fd4fe08e049b83226524c7f7760b03fb6d9566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3338",
    "kind": "arxiv",
    "version": 3
  }
}