Pith Number

pith:PYRSOBY3

pith:2018:PYRSOBY3APBUHALEB7PDXR5X6N

not attested not anchored not stored refs pending

Why We Engage in FLOSS: Answers from Core Developers

Andre Hora, Jailton Coelho, Luciana L. Silva, Marco Tulio Valente

arxiv:1803.05741 v1 · 2018-03-15 · 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{PYRSOBY3APBUHALEB7PDXR5X6N}

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	2026-05-18T00:08:35.890384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2327071b03c34381640fde3bc7b7f3552574c5959412349aaa7e8a9eab71bc

Aliases

arxiv: 1803.05741 · arxiv_version: 1803.05741v1 · doi: 10.48550/arxiv.1803.05741 · pith_short_12: PYRSOBY3APBU · pith_short_16: PYRSOBY3APBUHALE · pith_short_8: PYRSOBY3

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/PYRSOBY3APBUHALEB7PDXR5X6N \
  | 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: 7e2327071b03c34381640fde3bc7b7f3552574c5959412349aaa7e8a9eab71bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f5d09d01aaa15cdbde3d966dda2f24eea3d52ab8b735e54bd3ba450cde23207",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-03-15T13:34:13Z",
    "title_canon_sha256": "8ac1cf5a80a012348e4de9e7271d05dea6c02a02673255bda9163bd5ae1b1112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05741",
    "kind": "arxiv",
    "version": 1
  }
}