Pith Number

pith:VDJ4ILEB

pith:2013:VDJ4ILEBAOAZVYYYUT2FI6TG3A

not attested not anchored not stored refs pending

Evaluating Web Content Quality via Multi-scale Features

De-Xian Zhang, Guang-Gang Geng, Xiao-Bo Jin, Xin-Chang Zhang

arxiv:1304.6181 v1 · 2013-04-23 · 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{VDJ4ILEBAOAZVYYYUT2FI6TG3A}

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	2026-05-18T03:27:22.186680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d3c42c8103819ae318a4f4547a66d8214617d0b656a3c9598d195d8b77cfad

Aliases

arxiv: 1304.6181 · arxiv_version: 1304.6181v1 · doi: 10.48550/arxiv.1304.6181 · pith_short_12: VDJ4ILEBAOAZ · pith_short_16: VDJ4ILEBAOAZVYYY · pith_short_8: VDJ4ILEB

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/VDJ4ILEBAOAZVYYYUT2FI6TG3A \
  | 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: a8d3c42c8103819ae318a4f4547a66d8214617d0b656a3c9598d195d8b77cfad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db78785de827f20b22b19c567a5436e6c1900986602a1fe7426ea740098dec0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-04-23T06:42:55Z",
    "title_canon_sha256": "5770b89472016b7852ac7ad1bd2958bbca8950e3aa7e706451c3d6d221464033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6181",
    "kind": "arxiv",
    "version": 1
  }
}