pith. sign in
Pith Number

pith:DULM46WX

pith:1999:DULM46WXOWKYP2PTAMDJCIVEPO
not attested not anchored not stored refs pending

Scalar Field as Dark Matter in the Universe

F.S. Guzman, L. A. Urena-Lopez (CINVESTAV), T. Matos

arxiv:astro-ph/9908152 v2 · 1999-08-13 · astro-ph · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DULM46WXOWKYP2PTAMDJCIVEPO}

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

Receipt and verification
First computed 2026-07-04T16:11:31.102989Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1d16ce7ad7759587e9f303069122a47bae7295da0475ad4509415845e445bc7c

Aliases

arxiv: astro-ph/9908152 · arxiv_version: astro-ph/9908152v2 · doi: 10.48550/arxiv.astro-ph/9908152 · pith_short_12: DULM46WXOWKY · pith_short_16: DULM46WXOWKYP2PT · pith_short_8: DULM46WX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DULM46WXOWKYP2PTAMDJCIVEPO \
  | 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: 1d16ce7ad7759587e9f303069122a47bae7295da0475ad4509415845e445bc7c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9e31a2df8e52046a1ed49ba7f1fae1618cd596e93b9a6828e985f6246f7daac5",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-08-13T22:58:28Z",
    "title_canon_sha256": "e0dd2652620f58ac947a651e82f176bb3bb531cdc2ef2439f7e7f5fd7af9ee19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9908152",
    "kind": "arxiv",
    "version": 2
  }
}