pith. sign in
Pith Number

pith:Q7IYAVNJ

pith:2002:Q7IYAVNJKTAL3DZ53KP7AQVEWF
not attested not anchored not stored refs pending

Time-dependent cosmological constant in the Jackiw-Teitelboim cosmology

J. Barcelos-Neto, J.M. Salim, M. Alves, M. Novello

arxiv:hep-th/0207239 v2 · 2002-07-26 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Q7IYAVNJKTAL3DZ53KP7AQVEWF}

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 2026-05-18T04:33:04.905087Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

87d18055a954c0bd8f3dda9ff042a4b14175e4b9138a703eb25e9ad5c9d8d399

Aliases

arxiv: hep-th/0207239 · arxiv_version: hep-th/0207239v2 · doi: 10.48550/arxiv.hep-th/0207239 · pith_short_12: Q7IYAVNJKTAL · pith_short_16: Q7IYAVNJKTAL3DZ5 · pith_short_8: Q7IYAVNJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Q7IYAVNJKTAL3DZ53KP7AQVEWF \
  | 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: 87d18055a954c0bd8f3dda9ff042a4b14175e4b9138a703eb25e9ad5c9d8d399
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5686eef30011e3cf6e611313f055f41046429142ced5d9c60cb7fae758b45ee5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-07-26T11:48:02Z",
    "title_canon_sha256": "c60e9804383fee0e7e2fd11d6fed2594a8d8addc6b958390bb38ea0c1b2f5f90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0207239",
    "kind": "arxiv",
    "version": 2
  }
}