Pith Number

pith:D5CUQ3J3

pith:2011:D5CUQ3J3NILFJUMOHEWPI57R7M

not attested not anchored not stored refs pending

Evolution of FLRW spacetime after the birth of a cosmic string

Matthew Lake, Teruaki Suyama

arxiv:1112.2478 v2 · 2011-12-12 · gr-qc · 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{D5CUQ3J3NILFJUMOHEWPI57R7M}

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	2026-05-18T03:22:54.215383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f45486d3b6a1654d18e392cf477f1fb39967fed27dcdbc539ab301410710a7c

Aliases

arxiv: 1112.2478 · arxiv_version: 1112.2478v2 · doi: 10.48550/arxiv.1112.2478 · pith_short_12: D5CUQ3J3NILF · pith_short_16: D5CUQ3J3NILFJUMO · pith_short_8: D5CUQ3J3

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/D5CUQ3J3NILFJUMOHEWPI57R7M \
  | 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: 1f45486d3b6a1654d18e392cf477f1fb39967fed27dcdbc539ab301410710a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "796dd8085df6d51699af7d881ccbee2b0b477317db4d63559510b9b6984a268a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-12T09:31:06Z",
    "title_canon_sha256": "e08c27b62190229fa2a5656d8bbad861d864e23317f2efec0d11532cf952bbe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2478",
    "kind": "arxiv",
    "version": 2
  }
}