Pith Number

pith:4Z2NU4CI

pith:2000:4Z2NU4CIG37NLYOUPIITTHV7R7

not attested not anchored not stored refs pending

Essentials of k-essence

C. Armendariz-Picon, Paul J. Steinhardt, V. Mukhanov

arxiv:astro-ph/0006373 v1 · 2000-06-27 · 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{4Z2NU4CIG37NLYOUPIITTHV7R7}

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

10 papers in Pith

Diffeomorphic Scalar Duality

Scalar-scalar-tensor interaction in DHOST theories

Evolving Dark Energy Is Vacuum Energy After All

Quintom Model Perturbations

Inverting no-hair theorems: How requiring General Relativity solutions restricts scalar-tensor theories

Receipt and verification

First computed	2026-07-04T15:49:34.549644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e674da704836fed5e1d47a11399ebf8fff7cfb8697556e15222ecd5ad7a91c7a

Aliases

arxiv: astro-ph/0006373 · arxiv_version: astro-ph/0006373v1 · doi: 10.48550/arxiv.astro-ph/0006373 · pith_short_12: 4Z2NU4CIG37N · pith_short_16: 4Z2NU4CIG37NLYOU · pith_short_8: 4Z2NU4CI

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/4Z2NU4CIG37NLYOUPIITTHV7R7 \
  | 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: e674da704836fed5e1d47a11399ebf8fff7cfb8697556e15222ecd5ad7a91c7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64b8721f06e68cd45091ea19f094dc7bbc024bf3c537192c5ae8c6af89fc7621",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-27T00:01:38Z",
    "title_canon_sha256": "2c0a8758b0df8c921453a48b5e06107b7814a58c3b7c4ebec5eacc88f6302fdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006373",
    "kind": "arxiv",
    "version": 1
  }
}