Pith Number

pith:YELF2QUT

pith:2008:YELF2QUTTUEUDR64H3RVFGEHKV

not attested not anchored not stored refs pending

Fixed points in interacting dark energy models

Xi-Ming Chen, Yungui Gong

arxiv:0811.1698 v3 · 2008-11-11 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YELF2QUTTUEUDR64H3RVFGEHKV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:25:51.535416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1165d42939d0941c7dc3ee3529887555cfbc23208521623361f19b220970cce

Aliases

arxiv: 0811.1698 · arxiv_version: 0811.1698v3 · doi: 10.48550/arxiv.0811.1698 · pith_short_12: YELF2QUTTUEU · pith_short_16: YELF2QUTTUEUDR64 · pith_short_8: YELF2QUT

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/YELF2QUTTUEUDR64H3RVFGEHKV \
  | 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: c1165d42939d0941c7dc3ee3529887555cfbc23208521623361f19b220970cce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66d6925fd2f6df7851209d9e19229c3461f700c83c05e485a284b05c5c04995",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-11-11T12:37:06Z",
    "title_canon_sha256": "6f5aa5d1e25478f89ba7f1910ac373e427fdc018eb9b2d2fdc01b84019089719"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1698",
    "kind": "arxiv",
    "version": 3
  }
}