Pith Number

pith:A5XIDAZP

pith:2009:A5XIDAZPNKJKBEPFA7FIOJRIUL

not attested not anchored not stored refs pending

High-Redshift Cosmography

INAF-Osservatorio Astronomico di Trieste), INFN, Jun-Qing Xia (SISSA, Matteo Viel (INFN, Stefano Liberati (SISSA, Trieste), Vincenzo Vitagliano (SISSA

arxiv:0911.1249 v2 · 2009-11-06 · astro-ph.CO · 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{A5XIDAZPNKJKBEPFA7FIOJRIUL}

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 X-ray-to-UV relation does not evolve in homogeneous quasar samples

Receipt and verification

First computed	2026-05-18T02:34:11.756856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

076e81832f6a92a091e507ca872628a2f47c8a048379c14c2d577cdf17b39177

Aliases

arxiv: 0911.1249 · arxiv_version: 0911.1249v2 · doi: 10.48550/arxiv.0911.1249 · pith_short_12: A5XIDAZPNKJK · pith_short_16: A5XIDAZPNKJKBEPF · pith_short_8: A5XIDAZP

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/A5XIDAZPNKJKBEPFA7FIOJRIUL \
  | 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: 076e81832f6a92a091e507ca872628a2f47c8a048379c14c2d577cdf17b39177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38edd007fc5fad07e84195110f5536dc3ea6d00445a623a916e370d51f20ca32",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-06T14:02:59Z",
    "title_canon_sha256": "8276153b04052b435f2e51185477dfd6014d71a92af6d29812ef20268fb660e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1249",
    "kind": "arxiv",
    "version": 2
  }
}