Pith Number

pith:FEXU4Y3F

pith:2005:FEXU4Y3FT7ND7HXZ4NCQZBEZCU

not attested not anchored not stored refs pending

Global divergence of microbial genome sequences mediated by propagating fronts

Kalin Vetsigian, Nigel Goldenfeld (University of Illinois at Urbana-Champaign)

arxiv:q-bio/0501033 v3 · 2005-01-26 · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEXU4Y3FT7ND7HXZ4NCQZBEZCU}

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	2026-07-04T16:57:25.564276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292f4e63659fda3f9ef9e3450c8499153ba4b7aa34a280e6a96b644536d76e07

Aliases

arxiv: q-bio/0501033 · arxiv_version: q-bio/0501033v3 · doi: 10.48550/arxiv.q-bio/0501033 · pith_short_12: FEXU4Y3FT7ND · pith_short_16: FEXU4Y3FT7ND7HXZ · pith_short_8: FEXU4Y3F

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/FEXU4Y3FT7ND7HXZ4NCQZBEZCU \
  | 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: 292f4e63659fda3f9ef9e3450c8499153ba4b7aa34a280e6a96b644536d76e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d062f6b96951afee31dfbb90954838c66a1b50f2600756db1ad1f9d3bdcf99",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2005-01-26T18:03:38Z",
    "title_canon_sha256": "b94ac1c0e9c43934bddafccf6dc3b962fc0839e2593bab7595ca01e079a7b713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0501033",
    "kind": "arxiv",
    "version": 3
  }
}