Pith Number

pith:2EGOB7BF

pith:2016:2EGOB7BFOYNTHZLOIANCBDXGOE

not attested not anchored not stored refs pending

Plane branches with Newton nondegenerate polars

Abramo Hefez, Marcelo Escudeiro Hernandes, Mauro Fernando Hern\'andez Iglesias

arxiv:1601.07522 v1 · 2016-01-27 · 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{2EGOB7BFOYNTHZLOIANCBDXGOE}

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	2026-05-18T01:21:45.690763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10ce0fc25761b33e56e401a208ee6711967891cee54fd4d8bc0e5b3d605b15e

Aliases

arxiv: 1601.07522 · arxiv_version: 1601.07522v1 · doi: 10.48550/arxiv.1601.07522 · pith_short_12: 2EGOB7BFOYNT · pith_short_16: 2EGOB7BFOYNTHZLO · pith_short_8: 2EGOB7BF

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/2EGOB7BFOYNTHZLOIANCBDXGOE \
  | 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: d10ce0fc25761b33e56e401a208ee6711967891cee54fd4d8bc0e5b3d605b15e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bdbb6226ad7d1104d239cb6aab0a664377644b3f39a07c9d4bd695862a9b8ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-01-27T20:08:05Z",
    "title_canon_sha256": "ea0e3584c489d67d46230b84b29f441e5a70166fb80826e1ec07c57c842948b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07522",
    "kind": "arxiv",
    "version": 1
  }
}