Pith Number

pith:IPBD6JJJ

pith:2015:IPBD6JJJHZ2J5SJFVAMOWG2LKY

not attested not anchored not stored refs pending

Thematic Identification of 'Little Science': Trends in Portuguese IS&LS Literature by Controlled Vocabulary and Co-Word Analysis

Catarina Moreira, Jos\'e Borbinha, Mar\'ia \'Angeles Zulueta Garcia, Silvana Roque de Oliveira

arxiv:1501.05138 v1 · 2015-01-21 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPBD6JJJHZ2J5SJFVAMOWG2LKY}

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	2026-05-18T01:09:50.947839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43c23f25293e749ec925a818eb1b4b561abbd011650cfe8dac52f2563a1bc1e1

Aliases

arxiv: 1501.05138 · arxiv_version: 1501.05138v1 · doi: 10.48550/arxiv.1501.05138 · pith_short_12: IPBD6JJJHZ2J · pith_short_16: IPBD6JJJHZ2J5SJF · pith_short_8: IPBD6JJJ

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/IPBD6JJJHZ2J5SJFVAMOWG2LKY \
  | 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: 43c23f25293e749ec925a818eb1b4b561abbd011650cfe8dac52f2563a1bc1e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d07034fe61ee2096c33a0fe2d6135bc83040dfb10b65c76dd1229a17f611315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-01-21T11:38:29Z",
    "title_canon_sha256": "5f0c084d2269a3ea8830f55305960ebc5a77dc7373481b22a662d6c42eca0313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05138",
    "kind": "arxiv",
    "version": 1
  }
}