Pith Number

pith:NDGVUCIU

pith:2014:NDGVUCIUACMSHJ4EATCL3ZRQNF

not attested not anchored not stored refs pending

Discrete Systolic Inequalities and Decompositions of Triangulated Surfaces

Alfredo Hubard, Arnaud de Mesmay, \'Eric Colin de Verdi\`ere

arxiv:1408.4036 v2 · 2014-08-18 · math.CO · cs.CG · cs.DM · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDGVUCIUACMSHJ4EATCL3ZRQNF}

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	2026-05-18T02:19:28.408941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68cd5a0914009923a78404c4bde6306950a87609a260e3e6d351855a7acf4dc3

Aliases

arxiv: 1408.4036 · arxiv_version: 1408.4036v2 · doi: 10.48550/arxiv.1408.4036 · pith_short_12: NDGVUCIUACMS · pith_short_16: NDGVUCIUACMSHJ4E · pith_short_8: NDGVUCIU

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/NDGVUCIUACMSHJ4EATCL3ZRQNF \
  | 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: 68cd5a0914009923a78404c4bde6306950a87609a260e3e6d351855a7acf4dc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8784d293d6e17646c69445cb1c83aff407002a71613413f98600620a1f84d68d",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-18T15:20:09Z",
    "title_canon_sha256": "71f51363c89ef91af89210f304f04f0a218b874594e7a6e66be609c4f786b21c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4036",
    "kind": "arxiv",
    "version": 2
  }
}