Pith. sign in
Pith Number

pith:NU3U3BWC

pith:2007:NU3U3BWC6PAJDQZ75CAP5XHDQB
not attested not anchored not stored refs pending

New interactions in the dark sector mediated by dark energy

A. W. Brookfield, C. van de Bruck, L. M. H. Hall

arxiv:0709.2297 v2 · 2007-09-14 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NU3U3BWC6PAJDQZ75CAP5XHDQB}

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 2026-07-04T15:27:45.143929Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6d374d86c2f3c091c33fe880fedce380472b933b949b38b5b2ff9d5b24de5693

Aliases

arxiv: 0709.2297 · arxiv_version: 0709.2297v2 · doi: 10.48550/arxiv.0709.2297 · pith_short_12: NU3U3BWC6PAJ · pith_short_16: NU3U3BWC6PAJDQZ7 · pith_short_8: NU3U3BWC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NU3U3BWC6PAJDQZ75CAP5XHDQB \
  | 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: 6d374d86c2f3c091c33fe880fedce380472b933b949b38b5b2ff9d5b24de5693
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5136cef2e5bd923f45ec195a2f75a1bc20539d76850817381a941fbce0d8e348",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-14T13:35:23Z",
    "title_canon_sha256": "512262615f5cfe2fea178b422aed7b8cd91456abc1bf022d35e558a2bc00658a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.2297",
    "kind": "arxiv",
    "version": 2
  }
}