Pith Number

pith:UILMDLA5

pith:2013:UILMDLA5U2G3CYGI6PGKYJF4ZW

not attested not anchored not stored refs pending

Note on the emergence of cosmic space in modified gravities

Wen-Jian Pan, Yi Ling

arxiv:1304.0220 v2 · 2013-03-31 · 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{UILMDLA5U2G3CYGI6PGKYJF4ZW}

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	2026-05-18T03:13:35.789611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a216c1ac1da68db160c8f3ccac24bccd8fabb3a3f7f7f0f5c10d98f3edb6c217

Aliases

arxiv: 1304.0220 · arxiv_version: 1304.0220v2 · doi: 10.48550/arxiv.1304.0220 · pith_short_12: UILMDLA5U2G3 · pith_short_16: UILMDLA5U2G3CYGI · pith_short_8: UILMDLA5

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/UILMDLA5U2G3CYGI6PGKYJF4ZW \
  | 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: a216c1ac1da68db160c8f3ccac24bccd8fabb3a3f7f7f0f5c10d98f3edb6c217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b753e1dfb5978bfa5c0d397856e99cde8186c6bb3e30670cc1676ff5a58ead2b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-03-31T15:49:06Z",
    "title_canon_sha256": "d70484e32f1a75913c5651e569a831d8825a61ff1b9ae91cb3c6ed43e161a25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0220",
    "kind": "arxiv",
    "version": 2
  }
}