Pith Number

pith:Q6RD6R6C

pith:2009:Q6RD6R6CSJYJ5JOO4JCNH5B6DL

not attested not anchored not stored refs pending

Early Dark Energy at High Redshifts: Status and Perspectives

Jun-Qing Xia, Matteo Viel

arxiv:0901.0605 v2 · 2009-01-06 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6RD6R6CSJYJ5JOO4JCNH5B6DL}

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

The DESI Experiment Part I: Science,Targeting, and Survey Design

Receipt and verification

First computed	2026-07-04T15:40:26.206637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a23f47c292709ea5cee244d3f43e1ae7b9543387ed7640ddac8b33a988af2d

Aliases

arxiv: 0901.0605 · arxiv_version: 0901.0605v2 · doi: 10.48550/arxiv.0901.0605 · pith_short_12: Q6RD6R6CSJYJ · pith_short_16: Q6RD6R6CSJYJ5JOO · pith_short_8: Q6RD6R6C

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/Q6RD6R6CSJYJ5JOO4JCNH5B6DL \
  | 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: 87a23f47c292709ea5cee244d3f43e1ae7b9543387ed7640ddac8b33a988af2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12da6fe3145dcca6f132f103f8b07dc1623ee4359fb25b38ed619afd2717198a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-06T08:16:04Z",
    "title_canon_sha256": "1ba62bcb8c2505b896e4154399a4c78e57f7f769de8e799b85b5f7f9d40cdd4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0605",
    "kind": "arxiv",
    "version": 2
  }
}