Pith Number

pith:XTQI66W2

pith:2013:XTQI66W2XTHX5EBZO5FT446YDS

not attested not anchored not stored refs pending

Comparison of CPO and FCN empirical models

Zinovy Malkin

arxiv:1312.4261 v1 · 2013-12-16 · physics.geo-ph · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTQI66W2XTHX5EBZO5FT446YDS}

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	2026-05-18T03:04:35.076960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce08f7adabccf7e9039774b3e73d81cb9ffb9ace71876d3639f620f70afc03f

Aliases

arxiv: 1312.4261 · arxiv_version: 1312.4261v1 · doi: 10.48550/arxiv.1312.4261 · pith_short_12: XTQI66W2XTHX · pith_short_16: XTQI66W2XTHX5EBZ · pith_short_8: XTQI66W2

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/XTQI66W2XTHX5EBZO5FT446YDS \
  | 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: bce08f7adabccf7e9039774b3e73d81cb9ffb9ace71876d3639f620f70afc03f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17e7551a5705be6824cba50b604df9f2489e4c055d36601c4c1abf37df5c5d69",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2013-12-16T08:14:35Z",
    "title_canon_sha256": "8f92060e8f2c479783751494b8a63089fecbf8b79ec255a4a81ffa6e4119247d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4261",
    "kind": "arxiv",
    "version": 1
  }
}