Pith Number

pith:BFW4NIBD

pith:2024:BFW4NIBDYKMN2EGB7LNNLNDXPK

not attested not anchored not stored refs pending

Merge Trees of Periodic Filtrations

Herbert Edelsbrunner, Teresa Heiss

arxiv:2408.16575 v1 · 2024-08-29 · math.AT · cs.CG · math.CO · 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{BFW4NIBDYKMN2EGB7LNNLNDXPK}

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.

Cited by

1 paper in Pith

Identifying cobordisms using kernel persistence

Receipt and verification

First computed	2026-07-05T09:00:43.267914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096dc6a023c298dd10c1fadad5b4777a84c3dd7df3846ec559f24325cdd96d53

Aliases

arxiv: 2408.16575 · arxiv_version: 2408.16575v1 · doi: 10.48550/arxiv.2408.16575 · pith_short_12: BFW4NIBDYKMN · pith_short_16: BFW4NIBDYKMN2EGB · pith_short_8: BFW4NIBD

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/BFW4NIBDYKMN2EGB7LNNLNDXPK \
  | 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: 096dc6a023c298dd10c1fadad5b4777a84c3dd7df3846ec559f24325cdd96d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd8fff5a5bfdb50204f860ab83f9e81d21d99ad37007c38bd75aed1d3842c40f",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CO",
      "math.MG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2024-08-29T14:42:45Z",
    "title_canon_sha256": "35399a229008fe526c41cb0ccc50dbf276512a48e41a5a74e3ec66cf7311c076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.16575",
    "kind": "arxiv",
    "version": 1
  }
}