Pith Number

pith:XQDDSCQO

pith:2013:XQDDSCQOBZP6S5VP63PWQDOUKQ

not attested not anchored not stored refs pending

Even the Abstract have Colour: Consensus in Word-Colour Associations

Saif M. Mohammad

arxiv:1309.5391 v1 · 2013-09-20 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQDDSCQOBZP6S5VP63PWQDOUKQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:12:45.809670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc06390a0e0e5fe976aff6df680dd4541b2c1a634dd8626a6c34b4ad9c235fcc

Aliases

arxiv: 1309.5391 · arxiv_version: 1309.5391v1 · doi: 10.48550/arxiv.1309.5391 · pith_short_12: XQDDSCQOBZP6 · pith_short_16: XQDDSCQOBZP6S5VP · pith_short_8: XQDDSCQO

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/XQDDSCQOBZP6S5VP63PWQDOUKQ \
  | 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: bc06390a0e0e5fe976aff6df680dd4541b2c1a634dd8626a6c34b4ad9c235fcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c20e442a07ddc66ce6bc9f553af4f77c2b4785ee9a30e0c05c062c5afb71c59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-09-20T21:06:46Z",
    "title_canon_sha256": "d92d6288f4c1f261b2f7c67184892a11a14ad6bec84023bd76f87d56518e442c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5391",
    "kind": "arxiv",
    "version": 1
  }
}