Pith Number

pith:E6WLUHH7

pith:2019:E6WLUHH777GFUHUYYG2UP2S33W

not attested not anchored not stored refs pending

Reconstructing Embedded Graphs from Persistence Diagrams

Anna Schenfisch, Brittany Terese Fasy, Daniel Salinas, David L. Millman, Jordan Schupbach, Lucia Williams, Robin Lynne Belton, Rostik Mertz, Samuel Micka

arxiv:1912.08913 v2 · 2019-12-18 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6WLUHH777GFUHUYYG2UP2S33W}

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	2026-07-05T01:11:23.397603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27acba1cffffcc5a1e98c1b547ea5bddb8af55134c66143b079edd1003ac0322

Aliases

arxiv: 1912.08913 · arxiv_version: 1912.08913v2 · doi: 10.48550/arxiv.1912.08913 · pith_short_12: E6WLUHH777GF · pith_short_16: E6WLUHH777GFUHUY · pith_short_8: E6WLUHH7

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/E6WLUHH777GFUHUYYG2UP2S33W \
  | 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: 27acba1cffffcc5a1e98c1b547ea5bddb8af55134c66143b079edd1003ac0322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52809324ff8b652acbfa67381e1857566de10a26170d551ca72582d9d35a3f58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-12-18T22:09:38Z",
    "title_canon_sha256": "565f434987f607e81c57c804e059509eff867d48b3d9f4a7b4e1b4a15c37bd7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08913",
    "kind": "arxiv",
    "version": 2
  }
}