Pith Number

pith:HWRIXIWZ

pith:2015:HWRIXIWZLJGMB467ST7WZTIAHB

not attested not anchored not stored refs pending

An Intelligent Approach to Software Cost Prediction

Danny Ho, Jing Ren, Luiz Fernando Capretz, Xishi Huang

arxiv:1508.00034 v1 · 2015-07-31 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWRIXIWZLJGMB467ST7WZTIAHB}

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	2026-05-18T01:35:59.302511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da28ba2d95a4cc0f3df94ff6ccd003870c3edd5975bd0e0db4adc8c63018be9

Aliases

arxiv: 1508.00034 · arxiv_version: 1508.00034v1 · doi: 10.48550/arxiv.1508.00034 · pith_short_12: HWRIXIWZLJGM · pith_short_16: HWRIXIWZLJGMB467 · pith_short_8: HWRIXIWZ

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/HWRIXIWZLJGMB467ST7WZTIAHB \
  | 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: 3da28ba2d95a4cc0f3df94ff6ccd003870c3edd5975bd0e0db4adc8c63018be9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5318dac9e981b163ee22c9000099a01cf597a32306720180976ff5282843a0cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-07-31T21:19:56Z",
    "title_canon_sha256": "efc86a55905755c52f0fad96e6e79d58dc50ca0c4640c03eebff01f5420c9b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00034",
    "kind": "arxiv",
    "version": 1
  }
}