Pith Number

pith:NHQSBBMD

pith:2002:NHQSBBMDHUD4GB6RJU5C42EV67

not attested not anchored not stored refs pending

Quintessence, super-quintessence and observable quantities in Brans-Dicke and non-minimally coupled theories

Diego F. Torres

arxiv:astro-ph/0204504 v2 · 2002-04-30 · 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{NHQSBBMDHUD4GB6RJU5C42EV67}

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

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Receipt and verification

First computed	2026-07-04T15:17:59.791734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e12085833d07c307d14d3a2e6895f7d7f611e35fe3665e6bccd935cfd81651

Aliases

arxiv: astro-ph/0204504 · arxiv_version: astro-ph/0204504v2 · doi: 10.48550/arxiv.astro-ph/0204504 · pith_short_12: NHQSBBMDHUD4 · pith_short_16: NHQSBBMDHUD4GB6R · pith_short_8: NHQSBBMD

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/NHQSBBMDHUD4GB6RJU5C42EV67 \
  | 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: 69e12085833d07c307d14d3a2e6895f7d7f611e35fe3665e6bccd935cfd81651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7619f81bac4154262b977f2bc218134bf62a78b21f71b02000d60d0df6b7b4ae",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-30T00:19:14Z",
    "title_canon_sha256": "9af2180f787cef9bfed01fd9a6ffc96833ab7409c2e47c0e6e8a0b5a25ebdacc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204504",
    "kind": "arxiv",
    "version": 2
  }
}