Pith Number

pith:FQNYFWW5

pith:2016:FQNYFWW5KBWDWAVT74IUICTKWL

not attested not anchored not stored refs pending

Degree-associated edge-reconstruction numbers of double-brooms

Meijie Ma, Tingting Zhou

arxiv:1604.02908 v2 · 2016-04-11 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQNYFWW5KBWDWAVT74IUICTKWL}

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	2026-05-18T01:16:24.050275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1b82dadd506c3b02b3ff11440a6ab2c1474c5825df1b16ff620f27addd0ad9

Aliases

arxiv: 1604.02908 · arxiv_version: 1604.02908v2 · doi: 10.48550/arxiv.1604.02908 · pith_short_12: FQNYFWW5KBWD · pith_short_16: FQNYFWW5KBWDWAVT · pith_short_8: FQNYFWW5

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/FQNYFWW5KBWDWAVT74IUICTKWL \
  | 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: 2c1b82dadd506c3b02b3ff11440a6ab2c1474c5825df1b16ff620f27addd0ad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42be065b79ecd7f3bbe3ea92f02f7cb4aae1ada2296e03d16af881d755e0c485",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-04-11T12:11:04Z",
    "title_canon_sha256": "b06608c2b1dcb46e6688b3bb9435da965c1c459e60f28e50165a9edd105a15cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02908",
    "kind": "arxiv",
    "version": 2
  }
}