Pith Number

pith:AJDDFV6A

pith:2009:AJDDFV6AWUNM7NKNQ5BIOMKIDJ

not attested not anchored not stored refs pending

A Cosmological Model with Fermionic Field

G.V. Vijayagovindan, K. Indulekha, R. Rakhi

arxiv:0912.1222 v1 · 2009-12-07 · 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{AJDDFV6AWUNM7NKNQ5BIOMKIDJ}

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	2026-05-18T04:23:34.367595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

024632d7c0b51acfb54d87428731481a44a1aa376a89d1d3f719eb201d0589be

Aliases

arxiv: 0912.1222 · arxiv_version: 0912.1222v1 · doi: 10.48550/arxiv.0912.1222 · pith_short_12: AJDDFV6AWUNM · pith_short_16: AJDDFV6AWUNM7NKN · pith_short_8: AJDDFV6A

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/AJDDFV6AWUNM7NKNQ5BIOMKIDJ \
  | 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: 024632d7c0b51acfb54d87428731481a44a1aa376a89d1d3f719eb201d0589be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "974eeab8bf266bf192b9ca70741bcc3f65ea74cc0cfd7e9c810a0439271c4a18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-12-07T12:55:13Z",
    "title_canon_sha256": "e509193af81e927f3dd448c7710c467912e0631d46217c831d4deacec5c07445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1222",
    "kind": "arxiv",
    "version": 1
  }
}