Pith Number

pith:NIGEWF2W

pith:2001:NIGEWF2WP37DWMALESEY2CNKYD

not attested not anchored not stored refs pending

Recycling the universe using scalar fields

(2) Inter-University Centre for Astronomy, (3) Bogolyubov Institute for Theoretical Physics), Astrophysics, Nissim Kanekar (1), TIFR, Varun Sahni (2), Yuri Shtanov (3) ((1) National Centre for Radio Astrophysics

arxiv:astro-ph/0101448 v1 · 2001-01-25 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIGEWF2WP37DWMALESEY2CNKYD}

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

1 paper in Pith

Cosmic Hysteresis in Reconstructed $f(R)$ Bounce Models: A Thermodynamic Study

Receipt and verification

First computed	2026-07-04T16:22:37.345511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a0c4b17567efe3b300b24898d09aac0d68b1141de26796dc3757a5dd78e8306

Aliases

arxiv: astro-ph/0101448 · arxiv_version: astro-ph/0101448v1 · doi: 10.48550/arxiv.astro-ph/0101448 · pith_short_12: NIGEWF2WP37D · pith_short_16: NIGEWF2WP37DWMAL · pith_short_8: NIGEWF2W

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/NIGEWF2WP37DWMALESEY2CNKYD \
  | 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: 6a0c4b17567efe3b300b24898d09aac0d68b1141de26796dc3757a5dd78e8306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a1681bf73f395e10843508e8bda247ce28c32faf2509597b42d4e396eca4d03",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-25T12:10:45Z",
    "title_canon_sha256": "e5888fbbf030d43cffa07cd11da0323bec716c895ea7fb975ff496d4d11fad07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101448",
    "kind": "arxiv",
    "version": 1
  }
}