Pith Number

pith:QROMSZK5

pith:2013:QROMSZK5OOPDK4USGYCYBCTOL2

not attested not anchored not stored refs pending

Onboarding in Open Source Software Projects: A Preliminary Analysis

Alejandro S\'anchez Guinea, Fabian Fagerholm, Jay Borenstein, J\"urgen M\"unch, Patrik Johnson

arxiv:1311.1334 v1 · 2013-11-06 · 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{QROMSZK5OOPDK4USGYCYBCTOL2}

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	2026-05-18T03:07:53.634623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845cc9655d739e3572923605808a6e5e91edd3f128ce692b73651cfaa21f6d9c

Aliases

arxiv: 1311.1334 · arxiv_version: 1311.1334v1 · doi: 10.48550/arxiv.1311.1334 · pith_short_12: QROMSZK5OOPD · pith_short_16: QROMSZK5OOPDK4US · pith_short_8: QROMSZK5

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/QROMSZK5OOPDK4USGYCYBCTOL2 \
  | 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: 845cc9655d739e3572923605808a6e5e91edd3f128ce692b73651cfaa21f6d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed39640a233c8320220a5e805f08db5e33a088c06660da5cbf9f92c99eee3e0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-11-06T10:09:04Z",
    "title_canon_sha256": "3e38a751a1143f2b3814d69bc0b71070149cc7cd86048ee3f70b8068f59dbd70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1334",
    "kind": "arxiv",
    "version": 1
  }
}