Pith Number

pith:SIUZOM7L

pith:2008:SIUZOM7LNVOUDAVGNAK6UPVFIK

not attested not anchored not stored refs pending

Signatures of clumpy dark matter in the global 21 cm background signal

D. T. Cumberbatch, J. Silk, M. Lattanzi

arxiv:0808.0881 v3 · 2008-08-06 · astro-ph · hep-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{SIUZOM7LNVOUDAVGNAK6UPVFIK}

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	2026-05-18T04:36:59.575574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92299733eb6d5d4182a66815ea3ea5428f81c81a17ab5528993987a58ed2fff9

Aliases

arxiv: 0808.0881 · arxiv_version: 0808.0881v3 · doi: 10.48550/arxiv.0808.0881 · pith_short_12: SIUZOM7LNVOU · pith_short_16: SIUZOM7LNVOUDAVG · pith_short_8: SIUZOM7L

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/SIUZOM7LNVOUDAVGNAK6UPVFIK \
  | 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: 92299733eb6d5d4182a66815ea3ea5428f81c81a17ab5528993987a58ed2fff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac02ebb547ca630c0ebb4397944046340c05fa51fff83a1b941c797b309b331e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-06T17:29:17Z",
    "title_canon_sha256": "aee9fadb194c98f11923bc9fafe2745039a5e0f2cfa50032e41c64fd711d590c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.0881",
    "kind": "arxiv",
    "version": 3
  }
}