Pith Number

pith:5NLM6YZ7

pith:2023:5NLM6YZ7RA2UCOTSSZHVAZQUNB

not attested not anchored not stored refs pending

Identifying Informational Sources in News Articles

Alexander Spangher, Emilio Ferrara, Jonathan May, Nanyun Peng

arxiv:2305.14904 v1 · 2023-05-24 · cs.CL · cs.AI · 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{5NLM6YZ7RA2UCOTSSZHVAZQUNB}

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	2026-07-05T06:13:29.117050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb56cf633f8835413a72964f50661468537a5bb53edaee114a3cf7b64507359d

Aliases

arxiv: 2305.14904 · arxiv_version: 2305.14904v1 · doi: 10.48550/arxiv.2305.14904 · pith_short_12: 5NLM6YZ7RA2U · pith_short_16: 5NLM6YZ7RA2UCOTS · pith_short_8: 5NLM6YZ7

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/5NLM6YZ7RA2UCOTSSZHVAZQUNB \
  | 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: eb56cf633f8835413a72964f50661468537a5bb53edaee114a3cf7b64507359d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e300d5f21ac75be11e1e2d0cf1f6f9bca553f3597f43b19e32b15de8a41f743",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-05-24T08:56:35Z",
    "title_canon_sha256": "c7340359ff0fe36a7cb7ec59305bf279e0ca81994e738fe5b29e13fbfc83545b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.14904",
    "kind": "arxiv",
    "version": 1
  }
}