Pith Number

pith:4QHPO7NL

pith:2015:4QHPO7NLX3SBLXDNNY2BYJ2URS

not attested not anchored not stored refs pending

Is the statement of Murphy's Law valid?

Atanu Chatterjee

arxiv:1508.07291 v1 · 2015-08-21 · physics.pop-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QHPO7NLX3SBLXDNNY2BYJ2URS}

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	2026-05-18T01:34:36.404888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e40ef77dabbee415dc6d6e341c27548c845d9496b43dbec57ea5f78e81281a2f

Aliases

arxiv: 1508.07291 · arxiv_version: 1508.07291v1 · doi: 10.48550/arxiv.1508.07291 · pith_short_12: 4QHPO7NLX3SB · pith_short_16: 4QHPO7NLX3SBLXDN · pith_short_8: 4QHPO7NL

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/4QHPO7NLX3SBLXDNNY2BYJ2URS \
  | 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: e40ef77dabbee415dc6d6e341c27548c845d9496b43dbec57ea5f78e81281a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea97cb492fab22522d6c8446a1978f31952f468f307acdabfff38ba198763c85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2015-08-21T16:32:47Z",
    "title_canon_sha256": "7a161c4db90bc00fe2fbfcd001473e77fd9beb1ae22e2a579c3d2bd2d9ca0422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07291",
    "kind": "arxiv",
    "version": 1
  }
}