Pith Number

pith:U44NKJRP

pith:2018:U44NKJRPQUJLBPCST73V6E6ABW

not attested not anchored not stored refs pending

Notes about a combinatorial expression of the fundamental second kind differential on an algebraic curve

B. Eynard

arxiv:1805.07247 v3 · 2018-05-18 · math-ph · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U44NKJRPQUJLBPCST73V6E6ABW}

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	2026-05-18T00:06:55.948693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a738d5262f8512b0bc529ff75f13c00dbd19e25beb2c49e1787420dcc53a12ed

Aliases

arxiv: 1805.07247 · arxiv_version: 1805.07247v3 · doi: 10.48550/arxiv.1805.07247 · pith_short_12: U44NKJRPQUJL · pith_short_16: U44NKJRPQUJLBPCS · pith_short_8: U44NKJRP

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/U44NKJRPQUJLBPCST73V6E6ABW \
  | 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: a738d5262f8512b0bc529ff75f13c00dbd19e25beb2c49e1787420dcc53a12ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a682a7cbb49c9174719bffb7da7add2c2058c4b086eee92560968bf9f8eb13b",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-05-18T14:41:02Z",
    "title_canon_sha256": "a01898b36b9bf735f713d5cd982c65b5ae5258860f790fff7059527c0e998468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07247",
    "kind": "arxiv",
    "version": 3
  }
}