Pith Number

pith:EQQIT7RH

pith:2016:EQQIT7RH6B7A7GK3KXHFHSRAIZ

not attested not anchored not stored refs pending

A note on the real part of complex chromatic roots

Aysel Erey, Jason Brown

arxiv:1611.10140 v1 · 2016-11-30 · 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{EQQIT7RH6B7A7GK3KXHFHSRAIZ}

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	2026-05-18T00:56:11.097611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242089fe27f07e0f995b55ce53ca20464e0be4a4b76bc71a766a628c4d25eb50

Aliases

arxiv: 1611.10140 · arxiv_version: 1611.10140v1 · doi: 10.48550/arxiv.1611.10140 · pith_short_12: EQQIT7RH6B7A · pith_short_16: EQQIT7RH6B7A7GK3 · pith_short_8: EQQIT7RH

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/EQQIT7RH6B7A7GK3KXHFHSRAIZ \
  | 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: 242089fe27f07e0f995b55ce53ca20464e0be4a4b76bc71a766a628c4d25eb50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "623a574bf762d004905fd301f823d9745cba76a5d67b88c425d6af0fa4a62ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-11-30T13:32:20Z",
    "title_canon_sha256": "08992ffa0a9e507d8c0ebd930fedf596f9c674a40c842d90c9dceb7418043af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.10140",
    "kind": "arxiv",
    "version": 1
  }
}