Pith Number

pith:NV6DAH27

pith:2008:NV6DAH27HJKFBGGZ36GY4BFTGX

not attested not anchored not stored refs pending

Nodal distances for rooted phylogenetic trees

Francesc Rossello, Gabriel Cardona, Gabriel Valiente, Merce Llabres

arxiv:0806.2035 v1 · 2008-06-12 · q-bio.PE · cs.CE · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV6DAH27HJKFBGGZ36GY4BFTGX}

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	2026-07-04T15:12:39.376941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7c301f5f3a545098d9df8d8e04b335e23180e5f35156c94004fbbc94b42e74

Aliases

arxiv: 0806.2035 · arxiv_version: 0806.2035v1 · doi: 10.48550/arxiv.0806.2035 · pith_short_12: NV6DAH27HJKF · pith_short_16: NV6DAH27HJKFBGGZ · pith_short_8: NV6DAH27

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/NV6DAH27HJKFBGGZ36GY4BFTGX \
  | 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: 6d7c301f5f3a545098d9df8d8e04b335e23180e5f35156c94004fbbc94b42e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "130600e6400005cef06ddcaef277ce7c6d0866d8418d1287164b02aa8634e165",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2008-06-12T10:17:02Z",
    "title_canon_sha256": "53937c923f1356f1b9ca6fe19b55416fd806d3478018700a06f0ff2a4eea2576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2035",
    "kind": "arxiv",
    "version": 1
  }
}