Pith Number

pith:BKKTTW7T

pith:2009:BKKTTW7TSC2H4IIBLE6YKIICHY

not attested not anchored not stored refs pending

Dispersion in disks

Adrian Dumitrescu, Minghui Jiang

arxiv:0912.2125 v3 · 2009-12-11 · cs.CG · 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{BKKTTW7TSC2H4IIBLE6YKIICHY}

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	2026-05-18T02:24:45.797882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9539dbf390b47e2101593d8521023e1f3007fe8045c23548ca704d814d1bd2

Aliases

arxiv: 0912.2125 · arxiv_version: 0912.2125v3 · doi: 10.48550/arxiv.0912.2125 · pith_short_12: BKKTTW7TSC2H · pith_short_16: BKKTTW7TSC2H4IIB · pith_short_8: BKKTTW7T

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/BKKTTW7TSC2H4IIBLE6YKIICHY \
  | 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: 0a9539dbf390b47e2101593d8521023e1f3007fe8045c23548ca704d814d1bd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d7a773fd7d7eff1fa4cc89b7fbf212573b2284b7af238dc55d978cf61806f03",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2009-12-11T01:09:55Z",
    "title_canon_sha256": "a5e0ea4260ef9995b59bc225f47fa8af78775b534babfdf73fe1d08d0f02bff2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2125",
    "kind": "arxiv",
    "version": 3
  }
}