Pith Number

pith:4WQOCMCO

pith:2013:4WQOCMCOQ2QO52QYSDSX7AYBSB

not attested not anchored not stored refs pending

Presence Factor-Oriented Blog Summarization

A.K. Sharma, Ashutosh Dixit, Rosy Madaan

arxiv:1302.7131 v1 · 2013-02-28 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WQOCMCOQ2QO52QYSDSX7AYBSB}

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	2026-05-18T03:32:16.606780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a0e1304e86a0eeea1890e57f83019069f087895ed39d5a12f6516d6cf5b489

Aliases

arxiv: 1302.7131 · arxiv_version: 1302.7131v1 · doi: 10.48550/arxiv.1302.7131 · pith_short_12: 4WQOCMCOQ2QO · pith_short_16: 4WQOCMCOQ2QO52QY · pith_short_8: 4WQOCMCO

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/4WQOCMCOQ2QO52QYSDSX7AYBSB \
  | 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: e5a0e1304e86a0eeea1890e57f83019069f087895ed39d5a12f6516d6cf5b489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9b2051f031f37406c71485c16271a4be3ccf601136a116978fd842d0b6b530",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-02-28T09:59:54Z",
    "title_canon_sha256": "f47bc794a59e81b3312d4f30d10fb322be5e29550331100bc629f41e288a2b0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7131",
    "kind": "arxiv",
    "version": 1
  }
}