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Pith Number

pith:BVPUMPZA

pith:2000:BVPUMPZAPMBRQNQ2YVVNFG753U
not attested not anchored not stored refs pending

On the Stewart-Lyth Inverse Problem

(2) Depto. Fisica Teor., Alberto Garc\'ia (1), C\'esar A. Terrero-Escalante (1) ((1) Depto. Fisica, CINVESTAV-IPN, Eloy Ay\'on-Beato (1), IF-UNAM, Mexico, Mexico), Ricardo Mansilla (2)

arxiv:astro-ph/0009358 v1 · 2000-09-21 · astro-ph · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BVPUMPZAPMBRQNQ2YVVNFG753U}

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 2026-05-18T01:09:10.977294Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0d5f463f207b0318361ac56ad29bfddd11d0cc834379a6c463d6fe968a6fcc75

Aliases

arxiv: astro-ph/0009358 · arxiv_version: astro-ph/0009358v1 · doi: 10.48550/arxiv.astro-ph/0009358 · pith_short_12: BVPUMPZAPMBR · pith_short_16: BVPUMPZAPMBRQNQ2 · pith_short_8: BVPUMPZA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BVPUMPZAPMBRQNQ2YVVNFG753U \
  | 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: 0d5f463f207b0318361ac56ad29bfddd11d0cc834379a6c463d6fe968a6fcc75
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "386cc613e42f52873fbc4ea0e0cc137149023a98a28f189609f976dfe63a4ba1",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-21T22:14:23Z",
    "title_canon_sha256": "b4ca846532b703b48b519c187f70e946cf4cdd0d2a3d913883e98889cbab2b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009358",
    "kind": "arxiv",
    "version": 1
  }
}