Pith Number

pith:ERXDYR5Z

pith:2014:ERXDYR5ZVSRNTH7RMTTLEYZI2D

not attested not anchored not stored refs pending

Formal Consistency Checking over Specifications in Natural Languages

Chih-Hong Cheng, Guangquan Zhang, Rongjie Yan, Yesheng Chai

arxiv:1405.5003 v2 · 2014-05-20 · 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{ERXDYR5ZVSRNTH7RMTTLEYZI2D}

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	2026-05-18T02:40:53.924913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

246e3c47b9aca2d99ff164e6b26328d0ebc5eb3983f0b0ff4aa1779a57686bd5

Aliases

arxiv: 1405.5003 · arxiv_version: 1405.5003v2 · doi: 10.48550/arxiv.1405.5003 · pith_short_12: ERXDYR5ZVSRN · pith_short_16: ERXDYR5ZVSRNTH7R · pith_short_8: ERXDYR5Z

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/ERXDYR5ZVSRNTH7RMTTLEYZI2D \
  | 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: 246e3c47b9aca2d99ff164e6b26328d0ebc5eb3983f0b0ff4aa1779a57686bd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f604a412c64bb6f416b7527a43a0dac06d6063b6ca24f05a4f7cd392f6aabcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-05-20T09:12:41Z",
    "title_canon_sha256": "837ea681beefcb0d45f6b8e1212a8eb15a90a4a4b3669f306dc4da1b80782c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5003",
    "kind": "arxiv",
    "version": 2
  }
}