Pith Number

pith:45IQWMLR

pith:2015:45IQWMLR223V4S3B7V4MDU2QEB

not attested not anchored not stored refs pending

Hedgehog Bases for A_n Cluster Polylogarithms and An Application to Six-Point Amplitudes

Adam Scherlis, Anastasia Volovich, Daniel E. Parker, Marcus Spradlin

arxiv:1507.01950 v2 · 2015-07-07 · hep-th · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45IQWMLR223V4S3B7V4MDU2QEB}

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	2026-05-18T01:22:39.336123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7510b3171d6b75e4b61fd78c1d350207a894e22dfa28ea50a12d4d78b59735c

Aliases

arxiv: 1507.01950 · arxiv_version: 1507.01950v2 · doi: 10.48550/arxiv.1507.01950 · pith_short_12: 45IQWMLR223V · pith_short_16: 45IQWMLR223V4S3B · pith_short_8: 45IQWMLR

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/45IQWMLR223V4S3B7V4MDU2QEB \
  | 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: e7510b3171d6b75e4b61fd78c1d350207a894e22dfa28ea50a12d4d78b59735c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adf022c708da2cc553c0b9ed5d8df8676747a1a0bb05274eea188e6532f9f399",
    "cross_cats_sorted": [
      "math.AG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-07-07T20:00:56Z",
    "title_canon_sha256": "fd22dfd845dad8b491cd88ef0e0a2c4a13a236b0f4bfbb8373dcae5beaf62600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01950",
    "kind": "arxiv",
    "version": 2
  }
}