pith. sign in
Pith Number

pith:IPOOWZFG

pith:2011:IPOOWZFGUFYALA3IOIDESNGQW5
not attested not anchored not stored refs pending

NEMO: Extraction and normalization of organization names from PubMed affiliation strings

Philip Topham, Siddhartha Jonnalagadda

arxiv:1107.5743 v1 · 2011-07-28 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IPOOWZFGUFYALA3IOIDESNGQW5}

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 2026-05-18T04:16:41.406774Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

43dceb64a6a17005836872064934d0b7664fe256ff5ade4aebf174c1a6116d3b

Aliases

arxiv: 1107.5743 · arxiv_version: 1107.5743v1 · doi: 10.48550/arxiv.1107.5743 · pith_short_12: IPOOWZFGUFYA · pith_short_16: IPOOWZFGUFYALA3I · pith_short_8: IPOOWZFG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IPOOWZFGUFYALA3IOIDESNGQW5 \
  | 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: 43dceb64a6a17005836872064934d0b7664fe256ff5ade4aebf174c1a6116d3b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bb24f9de21dbf1141d93b147c0e8d915a7f59b1f799024f67bbaa45eb7d1a70e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2011-07-28T15:37:56Z",
    "title_canon_sha256": "3474e4cacf0f3ae1dd365599d3428b13aeb4b5a318d0efce1d389d2134e8fe61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5743",
    "kind": "arxiv",
    "version": 1
  }
}