Pith Number

pith:PBO6CXLL

pith:2014:PBO6CXLLLWXL7EQHCXPL4N5F3Z

not attested not anchored not stored refs pending

Context-driven Software Project Estimation

Jens Heidrich, J\"urgen M\"unch

arxiv:1402.3944 v1 · 2014-02-17 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBO6CXLLLWXL7EQHCXPL4N5F3Z}

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	2026-05-18T02:58:55.049155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

785de15d6b5daebf920715debe37a5de5ded557290a77087afad8b5e7c3e36d5

Aliases

arxiv: 1402.3944 · arxiv_version: 1402.3944v1 · doi: 10.48550/arxiv.1402.3944 · pith_short_12: PBO6CXLLLWXL · pith_short_16: PBO6CXLLLWXL7EQH · pith_short_8: PBO6CXLL

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/PBO6CXLLLWXL7EQHCXPL4N5F3Z \
  | 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: 785de15d6b5daebf920715debe37a5de5ded557290a77087afad8b5e7c3e36d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c0b2718990ca9aaf04fc4bbed309e55cf1f042337396a08c0e23293bbfd4e6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-02-17T09:53:10Z",
    "title_canon_sha256": "aff907356ed4bb28241b1b73f75069b61a682365a4b15a8add7d304c06898c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3944",
    "kind": "arxiv",
    "version": 1
  }
}