Pith Number

pith:4UU45DSN

pith:2011:4UU45DSNK7BZPEW6XPJP436YHP

not attested not anchored not stored refs pending

Optimal Organizational Hierarchies: Source Coding: Disaster Relief

G. Rama Murthy

arxiv:1111.6149 v1 · 2011-11-26 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UU45DSNK7BZPEW6XPJP436YHP}

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	2026-05-18T04:07:31.697143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e529ce8e4d57c39792debbd2fe6fd83be6b2fdbb7ba0bee7aa3cd7fbc1d9d541

Aliases

arxiv: 1111.6149 · arxiv_version: 1111.6149v1 · doi: 10.48550/arxiv.1111.6149 · pith_short_12: 4UU45DSNK7BZ · pith_short_16: 4UU45DSNK7BZPEW6 · pith_short_8: 4UU45DSN

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/4UU45DSNK7BZPEW6XPJP436YHP \
  | 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: e529ce8e4d57c39792debbd2fe6fd83be6b2fdbb7ba0bee7aa3cd7fbc1d9d541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8649ccfe86fc4f8b68e0bc5cc81968e0063a97dbf24f8336b771ad49a57efaff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-11-26T10:29:08Z",
    "title_canon_sha256": "9759728bb68f2a157749e9141a1572d36204789409696809e95f199048a49c46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6149",
    "kind": "arxiv",
    "version": 1
  }
}