Pith Number

pith:ID6VVWFS

pith:2013:ID6VVWFSGBADGTFDJ6FKCPDU6Q

not attested not anchored not stored refs pending

Scale-free primordial cosmology

Abraham Loeb, Anna Ijjas, Paul J. Steinhardt

arxiv:1309.4480 v1 · 2013-09-17 · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ID6VVWFSGBADGTFDJ6FKCPDU6Q}

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	2026-05-18T03:00:37.013934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40fd5ad8b23040334ca34f8aa13c74f411c58bee73b6230d4e4884ac630a6cf8

Aliases

arxiv: 1309.4480 · arxiv_version: 1309.4480v1 · doi: 10.48550/arxiv.1309.4480 · pith_short_12: ID6VVWFSGBAD · pith_short_16: ID6VVWFSGBADGTFD · pith_short_8: ID6VVWFS

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/ID6VVWFSGBADGTFDJ6FKCPDU6Q \
  | 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: 40fd5ad8b23040334ca34f8aa13c74f411c58bee73b6230d4e4884ac630a6cf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c12812ad637a2db9fdf9306d175f1199fe1963dee028f05fecc2f8a3d0c9e1a4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-17T20:55:38Z",
    "title_canon_sha256": "5c677f05ebd563119e44d6a96fdcd23bc70499d1f395c603b6cb0b223ecf711b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4480",
    "kind": "arxiv",
    "version": 1
  }
}