Pith Number

pith:QWOGZ4GK

pith:2009:QWOGZ4GK5KE6ALRCYAMALW7PLI

not attested not anchored not stored refs pending

Global Alignment of Molecular Sequences via Ancestral State Reconstruction

Alexandr Andoni, Avinatan Hassidim, Constantinos Daskalakis, Sebastien Roch

arxiv:0912.2577 v1 · 2009-12-14 · math.PR · cs.DS · math.ST · q-bio.PE · q-bio.QM · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWOGZ4GK5KE6ALRCYAMALW7PLI}

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	2026-05-18T04:14:06.011332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859c6cf0caea89e02e22c01805dbef5a3a68d4d5e60ece5d988b3940ab675bde

Aliases

arxiv: 0912.2577 · arxiv_version: 0912.2577v1 · doi: 10.48550/arxiv.0912.2577 · pith_short_12: QWOGZ4GK5KE6 · pith_short_16: QWOGZ4GK5KE6ALRC · pith_short_8: QWOGZ4GK

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/QWOGZ4GK5KE6ALRCYAMALW7PLI \
  | 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: 859c6cf0caea89e02e22c01805dbef5a3a68d4d5e60ece5d988b3940ab675bde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "909d052e19540915eac831e2c79f432197124708148af649afaa5d413656c9c8",
    "cross_cats_sorted": [
      "cs.DS",
      "math.ST",
      "q-bio.PE",
      "q-bio.QM",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2009-12-14T05:37:42Z",
    "title_canon_sha256": "abd469dab264e1f45d30d04d227fcd504224fa5195230ae56037f2e57cf979d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2577",
    "kind": "arxiv",
    "version": 1
  }
}