pith. sign in
Pith Number

pith:FJNH2DDI

pith:2009:FJNH2DDIYKKWAO5YJTOHBQQJK5
not attested not anchored not stored refs pending

New agegraphic dark energy as a rolling tachyon

Jingfei Zhang, Jinglei Cui, Li Zhang, Xin Zhang

arxiv:0902.0716 v1 · 2009-02-04 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FJNH2DDIYKKWAO5YJTOHBQQJK5}

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 2026-05-18T02:35:01.369847Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2a5a7d0c68c295603bb84cdc70c20957744de110bed8c8d9ca47bb2b962a091e

Aliases

arxiv: 0902.0716 · arxiv_version: 0902.0716v1 · doi: 10.48550/arxiv.0902.0716 · pith_short_12: FJNH2DDIYKKW · pith_short_16: FJNH2DDIYKKWAO5Y · pith_short_8: FJNH2DDI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FJNH2DDIYKKWAO5YJTOHBQQJK5 \
  | 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: 2a5a7d0c68c295603bb84cdc70c20957744de110bed8c8d9ca47bb2b962a091e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4a5577fc02fffe53e0696350fa2084eb41347380feec3d759dc60f22b3748b32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-04T12:34:26Z",
    "title_canon_sha256": "2b57759cbdad19111e0e29481f109ac24acd73935a04593af286427c34403abd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0716",
    "kind": "arxiv",
    "version": 1
  }
}