Pith Number

pith:IUJUBBGJ

pith:2017:IUJUBBGJQKOEGW374D5OM2QNBK

not attested not anchored not stored refs pending

Counting bi-colored A'Campo forests

No\'emie Combe, Vincent Jug\'e

arxiv:1702.07672 v1 · 2017-02-24 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUJUBBGJQKOEGW374D5OM2QNBK}

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	2026-05-18T00:50:02.549083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45134084c9829c435b7fe0fae66a0d0ab1c15d6011e9bb4b4ee31f92daee042c

Aliases

arxiv: 1702.07672 · arxiv_version: 1702.07672v1 · doi: 10.48550/arxiv.1702.07672 · pith_short_12: IUJUBBGJQKOE · pith_short_16: IUJUBBGJQKOEGW37 · pith_short_8: IUJUBBGJ

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/IUJUBBGJQKOEGW374D5OM2QNBK \
  | 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: 45134084c9829c435b7fe0fae66a0d0ab1c15d6011e9bb4b4ee31f92daee042c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9e730a79d4e685bccd6e9fa7f4f3cc30577c79c9a60bf1e9325ceeb582037e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-02-24T17:24:58Z",
    "title_canon_sha256": "daee1e17c4ab9f447d08500711596d84fb6c37ab590a4cb23339c2e77962eef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07672",
    "kind": "arxiv",
    "version": 1
  }
}