Pith Number

pith:C56T276U

pith:2008:C56T276UPXTAQ77RAITPEIQSXE

not attested not anchored not stored refs pending

Inferring Company Structure from Limited Available Information

Angela Andreica, Mugurel Ionut Andreica, Romulus Andreica

arxiv:0809.3527 v2 · 2008-09-20 · 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{C56T276UPXTAQ77RAITPEIQSXE}

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	2026-05-18T03:37:53.621188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

177d3d7fd47de6087ff10226f22212b929e425fa7ac2eb2d5ea12f4a31506eca

Aliases

arxiv: 0809.3527 · arxiv_version: 0809.3527v2 · doi: 10.48550/arxiv.0809.3527 · pith_short_12: C56T276UPXTA · pith_short_16: C56T276UPXTAQ77R · pith_short_8: C56T276U

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/C56T276UPXTAQ77RAITPEIQSXE \
  | 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: 177d3d7fd47de6087ff10226f22212b929e425fa7ac2eb2d5ea12f4a31506eca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eac1beb4313496ef590f6320547605a7128d89619a636560059aeddca19a3cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2008-09-20T20:05:21Z",
    "title_canon_sha256": "55ab1977b51fc0d0a86c2470a300d98f061cb773c8f17e9a00f472f7e1cb6220"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3527",
    "kind": "arxiv",
    "version": 2
  }
}