Pith Number

pith:ADYCBFUU

pith:2009:ADYCBFUU4ZRIGEYDXS3XFODK26

not attested not anchored not stored refs pending

A Search for X-Ray Reionization Signatures from Cross-Correlation of Wmap and ROSAT Rass Data

Haiguang Xu, Junhua Gu, Quan Guo, Xiang-Ping Wu

arxiv:0903.1392 v1 · 2009-03-09 · 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{ADYCBFUU4ZRIGEYDXS3XFODK26}

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	2026-05-18T04:29:16.089446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00f0209694e662831303bcb772b86ad7beb50efda64b42343920430f7cddbe02

Aliases

arxiv: 0903.1392 · arxiv_version: 0903.1392v1 · doi: 10.48550/arxiv.0903.1392 · pith_short_12: ADYCBFUU4ZRI · pith_short_16: ADYCBFUU4ZRIGEYD · pith_short_8: ADYCBFUU

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/ADYCBFUU4ZRIGEYDXS3XFODK26 \
  | 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: 00f0209694e662831303bcb772b86ad7beb50efda64b42343920430f7cddbe02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2010710f2a77d8f1ef4a716c357cd8a67ccbc5630017712ce91cff0c82573ea1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-09T16:33:38Z",
    "title_canon_sha256": "e3ce89cfea5f585a15f2b4d18511da524872bc03a471e167db03139145c1afa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1392",
    "kind": "arxiv",
    "version": 1
  }
}