Pith Number

pith:F5HW53MD

pith:2016:F5HW53MDLEUZVOTU2XPKZTUKC7

not attested not anchored not stored refs pending

Classifying Developers into Core and Peripheral: An Empirical Study on Count and Network Metrics

Claus Hunsen, Mitchell Joblin, Sven Apel, Wolfgang Mauerer

arxiv:1604.00830 v1 · 2016-04-04 · 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{F5HW53MDLEUZVOTU2XPKZTUKC7}

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	2026-05-18T01:17:48.104563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4f6eed8359299aba74d5deacce8a17dae02bceed6ea8ffa9088615f4d3452d

Aliases

arxiv: 1604.00830 · arxiv_version: 1604.00830v1 · doi: 10.48550/arxiv.1604.00830 · pith_short_12: F5HW53MDLEUZ · pith_short_16: F5HW53MDLEUZVOTU · pith_short_8: F5HW53MD

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/F5HW53MDLEUZVOTU2XPKZTUKC7 \
  | 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: 2f4f6eed8359299aba74d5deacce8a17dae02bceed6ea8ffa9088615f4d3452d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d263e5642cbc4585817d8df15c81a3926628b806e6cef31459d047809d65d2ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-04-04T12:19:54Z",
    "title_canon_sha256": "d87f91a70dfdf35e072051148c21475956a0724f887ebde8a30522422fe2e4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00830",
    "kind": "arxiv",
    "version": 1
  }
}