Pith Number

pith:2BD5AISR

pith:2001:2BD5AISR7IG25CM7OQLLV24HOF

not attested not anchored not stored refs pending

Quintessence-the Dark Energy in the Universe?

C.Wetterich

arxiv:astro-ph/0110211 v1 · 2001-10-09 · 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{2BD5AISR7IG25CM7OQLLV24HOF}

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	2026-05-18T02:40:35.924149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d047d02251fa0dae899f7416baeb877161c29c1bdd56f7fe4dd499ca7aed5ac3

Aliases

arxiv: astro-ph/0110211 · arxiv_version: astro-ph/0110211v1 · doi: 10.48550/arxiv.astro-ph/0110211 · pith_short_12: 2BD5AISR7IG2 · pith_short_16: 2BD5AISR7IG25CM7 · pith_short_8: 2BD5AISR

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/2BD5AISR7IG25CM7OQLLV24HOF \
  | 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: d047d02251fa0dae899f7416baeb877161c29c1bdd56f7fe4dd499ca7aed5ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "850fd17893b7e08339776b27bddd58ef103733f9100153a4483db86af140b2d8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-09T11:21:13Z",
    "title_canon_sha256": "ace44783b535a1a30e85298421f1c2c08bdff4981964ba4dd008c81f885eb19d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110211",
    "kind": "arxiv",
    "version": 1
  }
}