Pith Number

pith:ZKZQDSZS

pith:2007:ZKZQDSZSS2U5QK4QBHYFJPCEEL

not attested not anchored not stored refs pending

Halos of Unified Dark Matter Scalar Field

Daniele Bertacca, INFN, Italy), Nicola Bartolo, Padova, Sabino Matarrese (Physics Dept.

arxiv:0712.0486 v2 · 2007-12-04 · astro-ph · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZKZQDSZSS2U5QK4QBHYFJPCEEL}

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	2026-07-04T15:28:01.558110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cab301cb3296a9d82b9009f054bc4422d11557f9a58940c538510957dbb71838

Aliases

arxiv: 0712.0486 · arxiv_version: 0712.0486v2 · doi: 10.48550/arxiv.0712.0486 · pith_short_12: ZKZQDSZSS2U5 · pith_short_16: ZKZQDSZSS2U5QK4Q · pith_short_8: ZKZQDSZS

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/ZKZQDSZSS2U5QK4QBHYFJPCEEL \
  | 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: cab301cb3296a9d82b9009f054bc4422d11557f9a58940c538510957dbb71838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d371a768437335578a0c4dfd5145a149f14f8f2b1e3365ce25b821b3940fa74",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-04T17:37:29Z",
    "title_canon_sha256": "2369c1a6b0e359362e94cd1484a22a00413ec3801f5464ece0cd756e92ae544d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.0486",
    "kind": "arxiv",
    "version": 2
  }
}