Pith Number

pith:4XLJH57K

pith:2013:4XLJH57KAJS5YIHHF6M2UARQV6

not attested not anchored not stored refs pending

FRW universe in the laboratory

Dijana Tolic, Neven Bilic

arxiv:1309.2833 v3 · 2013-09-11 · gr-qc · 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{4XLJH57KAJS5YIHHF6M2UARQV6}

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	2026-05-18T03:07:22.679467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5d693f7ea0265dc20e72f99aa0230af8c8871407e2439412564351c2f66b22d

Aliases

arxiv: 1309.2833 · arxiv_version: 1309.2833v3 · doi: 10.48550/arxiv.1309.2833 · pith_short_12: 4XLJH57KAJS5 · pith_short_16: 4XLJH57KAJS5YIHH · pith_short_8: 4XLJH57K

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/4XLJH57KAJS5YIHHF6M2UARQV6 \
  | 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: e5d693f7ea0265dc20e72f99aa0230af8c8871407e2439412564351c2f66b22d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6081aa1342ff89ab20be31ceecb670e15747d7b62cd3797562b04515ecc708b0",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-11T14:07:41Z",
    "title_canon_sha256": "35686be46581923aee28f7f7fe145bc13bc33354e755a40b2580e4a381ee6ff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2833",
    "kind": "arxiv",
    "version": 3
  }
}