Pith Number

pith:7J7SWBEG

pith:2021:7J7SWBEG2JD3ZZIV3WKJQYT6NU

not attested not anchored not stored refs pending

GUDIE: a flexible, user-defined method to extract subgraphs of interest from large graphs

Beatriz Malveiro, David Apar\'icio, Jo\~ao Tiago Ascens\~ao, Maria In\^es Silva, Pedro Bizarro

arxiv:2108.09200 v1 · 2021-08-20 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7J7SWBEG2JD3ZZIV3WKJQYT6NU}

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	2026-07-05T03:07:35.131308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa7f2b0486d247bce515dd9498627e6d2e28ce807c7d268a3ee8a53d55923d1f

Aliases

arxiv: 2108.09200 · arxiv_version: 2108.09200v1 · doi: 10.48550/arxiv.2108.09200 · pith_short_12: 7J7SWBEG2JD3 · pith_short_16: 7J7SWBEG2JD3ZZIV · pith_short_8: 7J7SWBEG

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/7J7SWBEG2JD3ZZIV3WKJQYT6NU \
  | 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: fa7f2b0486d247bce515dd9498627e6d2e28ce807c7d268a3ee8a53d55923d1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "639c32e46d0f20755d92fa64972844d6c6e693297b9bade9613568eed920a670",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-08-20T14:42:13Z",
    "title_canon_sha256": "4b7381929f5b83f0d4337e7c6b54e6f2211997d715af17ee3d2b0849fc89e655"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09200",
    "kind": "arxiv",
    "version": 1
  }
}