Pith Number

pith:BDJRYBV7

pith:2012:BDJRYBV72CEM5WOSVXOM6RCU7H

not attested not anchored not stored refs pending

Approximation algorithms for nonbinary agreement forests

Leen Stougie, Leo van Iersel, Nela Leki\'c, Steven Kelk

arxiv:1210.3211 v3 · 2012-10-11 · math.CO · cs.DM · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDJRYBV72CEM5WOSVXOM6RCU7H}

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	2026-05-18T03:37:52.373151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08d31c06bfd088ced9d2addccf4454f9d91f95f6659ae6da19bba7523f218fdd

Aliases

arxiv: 1210.3211 · arxiv_version: 1210.3211v3 · doi: 10.48550/arxiv.1210.3211 · pith_short_12: BDJRYBV72CEM · pith_short_16: BDJRYBV72CEM5WOS · pith_short_8: BDJRYBV7

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/BDJRYBV72CEM5WOSVXOM6RCU7H \
  | 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: 08d31c06bfd088ced9d2addccf4454f9d91f95f6659ae6da19bba7523f218fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c557e1aa9de5a84a0dd2483bcbbda31de64e75a463304cedb6cded167e76de21",
    "cross_cats_sorted": [
      "cs.DM",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-10-11T12:45:56Z",
    "title_canon_sha256": "9c674953e6572f374c22792216d1b3956643562fca7db09b5953f46e85960172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3211",
    "kind": "arxiv",
    "version": 3
  }
}