Pith Number

pith:EJZ7M23K

pith:2014:EJZ7M23KDJB2LMUY4B7HVFHTRO

not attested not anchored not stored refs pending

Reconstructing surface triangulations by their intersection matrices

Isabel Hubard, Javier Bracho, Jorge Arocha, Natalia Garc\'ia-Col\'in

arxiv:1402.6012 v1 · 2014-02-24 · 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{EJZ7M23KDJB2LMUY4B7HVFHTRO}

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	2026-05-18T00:56:59.355592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2273f66b6a1a43a5b298e07e7a94f38b902e8a65e186b3a2bc4c62b32d51aad2

Aliases

arxiv: 1402.6012 · arxiv_version: 1402.6012v1 · doi: 10.48550/arxiv.1402.6012 · pith_short_12: EJZ7M23KDJB2 · pith_short_16: EJZ7M23KDJB2LMUY · pith_short_8: EJZ7M23K

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/EJZ7M23KDJB2LMUY4B7HVFHTRO \
  | 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: 2273f66b6a1a43a5b298e07e7a94f38b902e8a65e186b3a2bc4c62b32d51aad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c08873a9dbecba84a93753ab948a5e514727a89f7fcc4a76369f0bc9ed0c2716",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-24T23:08:07Z",
    "title_canon_sha256": "5801fa109ab5c3cc0d42b2fa6671c63af88731134ba59de616ff74eb7289ec19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6012",
    "kind": "arxiv",
    "version": 1
  }
}