Pith Number

pith:4I3PU2TW

pith:2000:4I3PU2TWVZBBT6CY2YR3O4MCII

not attested not anchored not stored refs pending

Self interacting Brans Dicke cosmology and Quintessence

S. Sen, T. R. Seshadri

arxiv:gr-qc/0007079 v2 · 2000-07-29 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4I3PU2TWVZBBT6CY2YR3O4MCII}

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	2026-07-04T16:19:40.635650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e236fa6a76ae4219f858d623b77182421cca175368e7af76d4d7ce34ba14f5b6

Aliases

arxiv: gr-qc/0007079 · arxiv_version: gr-qc/0007079v2 · doi: 10.48550/arxiv.gr-qc/0007079 · pith_short_12: 4I3PU2TWVZBB · pith_short_16: 4I3PU2TWVZBBT6CY · pith_short_8: 4I3PU2TW

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/4I3PU2TWVZBBT6CY2YR3O4MCII \
  | 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: e236fa6a76ae4219f858d623b77182421cca175368e7af76d4d7ce34ba14f5b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "488ec6db2c5092320496ff01b2c5b15661c51dd82d13d737d64fa0e5f325df94",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-07-29T07:15:05Z",
    "title_canon_sha256": "947259c7116ece7754b1a99dae31d9467788f0edbbf4ce3e811d752bf7393558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0007079",
    "kind": "arxiv",
    "version": 2
  }
}