Pith Number

pith:ZVGFGTRI

pith:2010:ZVGFGTRICJH4TXS6UPIV2QRGG7

not attested not anchored not stored refs pending

Systematic Effects of Foreground Removal in 21cm Surveys of Reionization

Nada Petrovic, S. Peng Oh

arxiv:1010.4109 v2 · 2010-10-20 · 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{ZVGFGTRICJH4TXS6UPIV2QRGG7}

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	2026-05-18T02:05:00.780247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd4c534e28124fc9de5ea3d15d422637cb74c33c68bba877be5fc6f168ab3bc0

Aliases

arxiv: 1010.4109 · arxiv_version: 1010.4109v2 · doi: 10.48550/arxiv.1010.4109 · pith_short_12: ZVGFGTRICJH4 · pith_short_16: ZVGFGTRICJH4TXS6 · pith_short_8: ZVGFGTRI

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/ZVGFGTRICJH4TXS6UPIV2QRGG7 \
  | 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: cd4c534e28124fc9de5ea3d15d422637cb74c33c68bba877be5fc6f168ab3bc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e54c216f25c84ccca8809691ae50f4f88e8380a112904fc69242af0e7676c528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-20T06:45:01Z",
    "title_canon_sha256": "80c56dcf16fde090dfa193660090170b0086c869c60d9687aba778e9f3334193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4109",
    "kind": "arxiv",
    "version": 2
  }
}