Pith Number

pith:PBHIL7PH

pith:2012:PBHIL7PHJFURIUHI2D77KQLMAS

not attested not anchored not stored refs pending

Context-Driven Elicitation of Default Requirements: an Empirical Validation

Corentin Burnay, Ivan Jureta, St\'ephane Faulkner

arxiv:1211.2620 v2 · 2012-11-12 · 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{PBHIL7PHJFURIUHI2D77KQLMAS}

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	2026-05-18T00:56:52.344509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

784e85fde749691450e8d0fff5416c04a72028573946ef82a4a7ca8a1a24c9e3

Aliases

arxiv: 1211.2620 · arxiv_version: 1211.2620v2 · doi: 10.48550/arxiv.1211.2620 · pith_short_12: PBHIL7PHJFUR · pith_short_16: PBHIL7PHJFURIUHI · pith_short_8: PBHIL7PH

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/PBHIL7PHJFURIUHI2D77KQLMAS \
  | 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: 784e85fde749691450e8d0fff5416c04a72028573946ef82a4a7ca8a1a24c9e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac410e19e0c3688b541e15cc11a140cc4de5a9535e8d0968a0599460ea681a0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-11-12T14:04:38Z",
    "title_canon_sha256": "224a6c282e95c38577a7974b5e47220754e25bba21b640d3774d1da7acbd9a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2620",
    "kind": "arxiv",
    "version": 2
  }
}