Pith Number

pith:OQ326Z2M

pith:2003:OQ326Z2MUHMXUW6V5Y37KTZ5BC

not attested not anchored not stored refs pending

A new view of k-essence

Andrew R Liddle, Edmund J Copeland, Mark Trodden, Michael Malquarti

arxiv:astro-ph/0302279 v1 · 2003-02-14 · astro-ph · gr-qc · hep-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{OQ326Z2MUHMXUW6V5Y37KTZ5BC}

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	2026-05-18T04:19:41.664464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7437af674ca1d97a5bd5ee37f54f3d08a5031780381074e92fa72bba30f50f49

Aliases

arxiv: astro-ph/0302279 · arxiv_version: astro-ph/0302279v1 · doi: 10.48550/arxiv.astro-ph/0302279 · pith_short_12: OQ326Z2MUHMX · pith_short_16: OQ326Z2MUHMXUW6V · pith_short_8: OQ326Z2M

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/OQ326Z2MUHMXUW6V5Y37KTZ5BC \
  | 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: 7437af674ca1d97a5bd5ee37f54f3d08a5031780381074e92fa72bba30f50f49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20cf7f3ae515df50d465bd5975a90015002d51e9f12f291de0cfa47a063eaa11",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-14T14:34:25Z",
    "title_canon_sha256": "22058a4b68640db2df595770a6f065e2b7b4facae7452f050faf7199ab01b3e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302279",
    "kind": "arxiv",
    "version": 1
  }
}