Pith Number

pith:FYVRZ677

pith:2015:FYVRZ6773WJAFNZNII56JLHWL3

not attested not anchored not stored refs pending

Symmetries of the Darboux equation

Avery Ching, Chiu-Yin Tsang, Yik-Man Chiang

arxiv:1509.03995 v2 · 2015-09-14 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYVRZ6773WJAFNZNII56JLHWL3}

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	2026-05-18T00:44:25.190254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e2b1cfbffdd9202b72d423be4acf65edc23a0f473715d77f011d35993b50685

Aliases

arxiv: 1509.03995 · arxiv_version: 1509.03995v2 · doi: 10.48550/arxiv.1509.03995 · pith_short_12: FYVRZ6773WJA · pith_short_16: FYVRZ6773WJAFNZN · pith_short_8: FYVRZ677

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/FYVRZ6773WJAFNZNII56JLHWL3 \
  | 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: 2e2b1cfbffdd9202b72d423be4acf65edc23a0f473715d77f011d35993b50685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64fc39ebcd68a64c37bd458ec46d78e4027371f049fbf7e334caa4997c70e40b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-09-14T08:41:58Z",
    "title_canon_sha256": "141d0eccb9375a4f661d3de5d8a68bf412c417b6e51cf095ca9e363ae73fa3a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03995",
    "kind": "arxiv",
    "version": 2
  }
}