Pith Number

pith:J7KD7FZ3

pith:2013:J7KD7FZ3VRDGFZ3I52E4LIE3S6

not attested not anchored not stored refs pending

Emergence of space and cosmic evolution based on entropic force

Fei-Quan Tu, Yi-Xin Chen

arxiv:1306.0639 v2 · 2013-06-04 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7KD7FZ3VRDGFZ3I52E4LIE3S6}

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	2026-05-18T01:19:34.723619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fd43f973bac4662e768ee89c5a09b97a0edd6a32720f9bc6d3067efc6eea10e

Aliases

arxiv: 1306.0639 · arxiv_version: 1306.0639v2 · doi: 10.48550/arxiv.1306.0639 · pith_short_12: J7KD7FZ3VRDG · pith_short_16: J7KD7FZ3VRDGFZ3I · pith_short_8: J7KD7FZ3

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/J7KD7FZ3VRDGFZ3I52E4LIE3S6 \
  | 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: 4fd43f973bac4662e768ee89c5a09b97a0edd6a32720f9bc6d3067efc6eea10e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c334b5b77e7e4e5361776800cb451151fee19bace3cb9e661203cea45a14ca72",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-06-04T02:34:11Z",
    "title_canon_sha256": "49cc7882e4ff93ab3adf1fe5b8bf2ddb9598abfd4aa336a5a2dc53e774c9ae01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0639",
    "kind": "arxiv",
    "version": 2
  }
}