Pith Number

pith:C6XSNFX2

pith:2025:C6XSNFX2HGY2ICWMPFYGMMHFMK

not attested not anchored not stored refs pending

Drawing Reeb Graphs

Brittany Terese Fasy, Erfan Hosseini Sereshgi, Erin Chambers, Maarten L\"offler

arxiv:2504.21329 v2 · 2025-04-30 · 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{C6XSNFX2HGY2ICWMPFYGMMHFMK}

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	2026-07-05T11:04:50.234376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17af2696fa39b1a40acc79706630e562aa4e9498a67de24d0c1b413ec2cfc1e2

Aliases

arxiv: 2504.21329 · arxiv_version: 2504.21329v2 · doi: 10.48550/arxiv.2504.21329 · pith_short_12: C6XSNFX2HGY2 · pith_short_16: C6XSNFX2HGY2ICWM · pith_short_8: C6XSNFX2

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/C6XSNFX2HGY2ICWMPFYGMMHFMK \
  | 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: 17af2696fa39b1a40acc79706630e562aa4e9498a67de24d0c1b413ec2cfc1e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15ce7bfadae62f76d708d795883e368247554bbc9a6fa614d554f3238dd1c85b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-04-30T05:35:04Z",
    "title_canon_sha256": "1d68e747a5944646b933dcc49543d781fcdc63a3daa0d637e104ed09588b98ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21329",
    "kind": "arxiv",
    "version": 2
  }
}