Pith Number

pith:2CNGAD2Z

pith:2014:2CNGAD2ZVZKRZPWRGZD6WWJ6DB

not attested not anchored not stored refs pending

A Crowdsourcing Procedure for the Discovery of Non-Obvious Attributes of Social Image

(2) University of Trento), Mar\'ia Men\'endez Blanco (2), Mark Melenhorst (1), Martha Larson (1) ((1) Delft University of Technology

arxiv:1409.2668 v1 · 2014-09-06 · cs.IR · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CNGAD2ZVZKRZPWRGZD6WWJ6DB}

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	2026-05-18T02:43:10.037267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d09a600f59ae551cbed13647eb593e1840682286bde479348e02103e1f4b162a

Aliases

arxiv: 1409.2668 · arxiv_version: 1409.2668v1 · doi: 10.48550/arxiv.1409.2668 · pith_short_12: 2CNGAD2ZVZKR · pith_short_16: 2CNGAD2ZVZKRZPWR · pith_short_8: 2CNGAD2Z

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/2CNGAD2ZVZKRZPWRGZD6WWJ6DB \
  | 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: d09a600f59ae551cbed13647eb593e1840682286bde479348e02103e1f4b162a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c16c2bc464960f0dfabc19fcd3a79cd3744462d304296e508ce2af291c58c606",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-09-06T21:26:28Z",
    "title_canon_sha256": "c37fc719c9ad53b04c69c85c1102a747f4ac7b053f53f4791af495d75ad534b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2668",
    "kind": "arxiv",
    "version": 1
  }
}