Pith Number

pith:XN2E3MRI

pith:2022:XN2E3MRISCZ54RNGTQZIFILXQ4

not attested not anchored not stored refs pending

Efficient Graph Reconstruction and Representation Using Augmented Persistence Diagrams

Anna Schenfisch, Brittany Terese Fasy, David L. Millman, Lucia Williams, Samuel Micka

arxiv:2212.13206 v1 · 2022-12-26 · 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{XN2E3MRISCZ54RNGTQZIFILXQ4}

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	2026-07-05T05:28:18.068721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb744db22890b3de45a69c3282a177872d41c2bccccf6e98382e813112f574f6

Aliases

arxiv: 2212.13206 · arxiv_version: 2212.13206v1 · doi: 10.48550/arxiv.2212.13206 · pith_short_12: XN2E3MRISCZ5 · pith_short_16: XN2E3MRISCZ54RNG · pith_short_8: XN2E3MRI

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/XN2E3MRISCZ54RNGTQZIFILXQ4 \
  | 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: bb744db22890b3de45a69c3282a177872d41c2bccccf6e98382e813112f574f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a56aec9aaf5e78ed6009585de8ce28ba610f258dcaa555cc21197270ffacb2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2022-12-26T16:21:03Z",
    "title_canon_sha256": "52f32a5498b6bb17e187d0164bd841308e2f99ab73a89a4af285b8ebc09bc190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.13206",
    "kind": "arxiv",
    "version": 1
  }
}