Pith Number

pith:EAEHE5WV

pith:2021:EAEHE5WVL6JNLIYS6CTZOFWSGT

not attested not anchored not stored refs pending

Implications of Symmetry and Pressure in Friedmann Cosmology. I. Formalism

Joel L. Weiner, Kevin S. Croker

arxiv:2107.06643 v1 · 2021-07-12 · 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{EAEHE5WVL6JNLIYS6CTZOFWSGT}

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.

Cited by

2 papers in Pith

Cosmological coupled black holes immersed in dark sector

Receipt and verification

First computed	2026-07-05T02:57:59.920957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20087276d55f92d5a312f0a79716d234c05639dbf43e341b64bc143df5629b4b

Aliases

arxiv: 2107.06643 · arxiv_version: 2107.06643v1 · doi: 10.48550/arxiv.2107.06643 · pith_short_12: EAEHE5WVL6JN · pith_short_16: EAEHE5WVL6JNLIYS · pith_short_8: EAEHE5WV

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/EAEHE5WVL6JNLIYS6CTZOFWSGT \
  | 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: 20087276d55f92d5a312f0a79716d234c05639dbf43e341b64bc143df5629b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed000d4f31517a0294838a1c3106a7cdac56d5ffc133e68c32f9729afa748d6a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-12T18:00:00Z",
    "title_canon_sha256": "3e897144de4de40df4d50297fc6e545c428bfa76f8ba4588e5c5b686a3129abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06643",
    "kind": "arxiv",
    "version": 1
  }
}