Pith Number

pith:FLUJQC2V

pith:2013:FLUJQC2VJFCNWQRJ3ISXQTJSWH

not attested not anchored not stored refs pending

Capabilities' Substitutability and the "S" Curve of Export Diversity

Hongmei Lei, Jiang Zhang

arxiv:1304.1993 v1 · 2013-04-07 · physics.soc-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{FLUJQC2VJFCNWQRJ3ISXQTJSWH}

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	2026-05-18T01:50:41.956938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae8980b554944db4229da25784d32b1c02570c408e8989dabd8d3a208a30d60

Aliases

arxiv: 1304.1993 · arxiv_version: 1304.1993v1 · doi: 10.48550/arxiv.1304.1993 · pith_short_12: FLUJQC2VJFCN · pith_short_16: FLUJQC2VJFCNWQRJ · pith_short_8: FLUJQC2V

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/FLUJQC2VJFCNWQRJ3ISXQTJSWH \
  | 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: 2ae8980b554944db4229da25784d32b1c02570c408e8989dabd8d3a208a30d60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c221701e9f42e10427e9591f90a0f60abe02b0948ce0d87a6bd1011e4bfec26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-04-07T13:04:16Z",
    "title_canon_sha256": "dec84e6ac84bdf9466207010de2559257a86cd121fa28edb22634a0c0711c5a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1993",
    "kind": "arxiv",
    "version": 1
  }
}