Pith Number

pith:EOVUYFML

pith:2010:EOVUYFML6SGHPNTESEV4KDWKJP

not attested not anchored not stored refs pending

A two-mass expanding exact space-time solution

George F.R. Ellis, Jean-Philippe Uzan, Julien Larena

arxiv:1005.1809 v2 · 2010-05-11 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOVUYFML6SGHPNTESEV4KDWKJP}

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	2026-05-18T02:24:08.413880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ab4c158bf48c77b664912bc50eca4bdc3281e43f221a60950b4ba303785bcf

Aliases

arxiv: 1005.1809 · arxiv_version: 1005.1809v2 · doi: 10.48550/arxiv.1005.1809 · pith_short_12: EOVUYFML6SGH · pith_short_16: EOVUYFML6SGHPNTE · pith_short_8: EOVUYFML

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/EOVUYFML6SGHPNTESEV4KDWKJP \
  | 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: 23ab4c158bf48c77b664912bc50eca4bdc3281e43f221a60950b4ba303785bcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6595ad9cd4a854e2bc24bf814cbc8337ee7d8a3e60848764081c996ea587221",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-05-11T11:58:01Z",
    "title_canon_sha256": "f62359be17cb3dedf166db5bdf924c4c93a49615b9d0f55cdd2605c8dc4206d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1809",
    "kind": "arxiv",
    "version": 2
  }
}