Pith Number

pith:72OVL7A4

pith:2015:72OVL7A4KIEHX2JKPXN2FOIOK3

not attested not anchored not stored refs pending

How much is said in a microblog? A multilingual inquiry based on Weibo and Twitter

Han-Teng Liao, King-wa Fu, Scott A. Hale

arxiv:1506.00572 v2 · 2015-06-01 · cs.SI · cs.CL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72OVL7A4KIEHX2JKPXN2FOIOK3}

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	2026-05-18T01:49:55.482827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9d55fc1c52087be92a7ddba2b90e56f1b0507e529665abc0732ca755763fcd

Aliases

arxiv: 1506.00572 · arxiv_version: 1506.00572v2 · doi: 10.48550/arxiv.1506.00572 · pith_short_12: 72OVL7A4KIEH · pith_short_16: 72OVL7A4KIEHX2JK · pith_short_8: 72OVL7A4

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/72OVL7A4KIEHX2JKPXN2FOIOK3 \
  | 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: fe9d55fc1c52087be92a7ddba2b90e56f1b0507e529665abc0732ca755763fcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53eb10a83b172b5139d82214ef9c1a6542f9925b4122f000b7e35e22f64b9eeb",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-06-01T17:06:00Z",
    "title_canon_sha256": "5c61ecdf3fb2cb3736534a505ce67270e5bdc1a5344f03ec89574c56ecd1e538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00572",
    "kind": "arxiv",
    "version": 2
  }
}