Pith Number

pith:UFAYBXD7

pith:2005:UFAYBXD7I2S5YZJUPO2EHOCTUW

not attested not anchored not stored refs pending

On the Complexity of the Single Individual SNP Haplotyping Problem

John Tromp, Leo van Iersel, Rudi Cilibrasi, Steven Kelk

arxiv:q-bio/0508012 v2 · 2005-08-11 · q-bio.GN · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFAYBXD7I2S5YZJUPO2EHOCTUW}

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	2026-05-18T00:58:26.374130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14180dc7f46a5dc65347bb443b853a5a8758b0af629c62f5e809e0063c60ec4

Aliases

arxiv: q-bio/0508012 · arxiv_version: q-bio/0508012v2 · doi: 10.48550/arxiv.q-bio/0508012 · pith_short_12: UFAYBXD7I2S5 · pith_short_16: UFAYBXD7I2S5YZJU · pith_short_8: UFAYBXD7

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/UFAYBXD7I2S5YZJUPO2EHOCTUW \
  | 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: a14180dc7f46a5dc65347bb443b853a5a8758b0af629c62f5e809e0063c60ec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8009a4a198089effd69f05d7196be5f6737f2a80285cb5faa33b69995ecb5a86",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2005-08-11T13:45:03Z",
    "title_canon_sha256": "96db760b3b77da8425c34fb912171c03c58f17d99a912edccecb279a90a6c1ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0508012",
    "kind": "arxiv",
    "version": 2
  }
}