Pith Number

pith:ZUPGKEHV

pith:2017:ZUPGKEHVWB2YRIGQPEOY2IKI6X

not attested not anchored not stored refs pending

Finding the most parsimonious or likely tree in a network with respect to an alignment

Celine Scornavacca, Fabio Pardi, Leo van Iersel, Steven Kelk

arxiv:1707.03648 v1 · 2017-07-12 · q-bio.PE · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUPGKEHVWB2YRIGQPEOY2IKI6X}

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	2026-05-18T00:40:25.405802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd1e6510f5b07588a0d0791d8d2148f5db589094b443a057d5fa13b3d7f8285e

Aliases

arxiv: 1707.03648 · arxiv_version: 1707.03648v1 · doi: 10.48550/arxiv.1707.03648 · pith_short_12: ZUPGKEHVWB2Y · pith_short_16: ZUPGKEHVWB2YRIGQ · pith_short_8: ZUPGKEHV

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/ZUPGKEHVWB2YRIGQPEOY2IKI6X \
  | 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: cd1e6510f5b07588a0d0791d8d2148f5db589094b443a057d5fa13b3d7f8285e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7d711da2a7ab3b51be3c3c02ba9d3b7486fe05f73dacbbf3080e9685cde880d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2017-07-12T11:23:41Z",
    "title_canon_sha256": "e19df10292cf98ecc3190383b19b47ecc3fcddfa632a89045e68337c519854d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03648",
    "kind": "arxiv",
    "version": 1
  }
}