Pith Number

pith:3XMYP5VP

pith:1999:3XMYP5VPR24YAKEU3KWVUCYGZI

not attested not anchored not stored refs pending

Ricci-Flat Branes

D. Brecher, M. J. Perry

arxiv:hep-th/9908018 v1 · 1999-08-03 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XMYP5VPR24YAKEU3KWVUCYGZI}

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

Kerr-Schild Double Copy of the Randall-Sundrum Black String

Receipt and verification

First computed	2026-05-18T01:38:34.939023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddd987f6af8eb9802894daad5a0b06ca0bd544771338f7acccb424fa55179eaa

Aliases

arxiv: hep-th/9908018 · arxiv_version: hep-th/9908018v1 · doi: 10.48550/arxiv.hep-th/9908018 · pith_short_12: 3XMYP5VPR24Y · pith_short_16: 3XMYP5VPR24YAKEU · pith_short_8: 3XMYP5VP

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/3XMYP5VPR24YAKEU3KWVUCYGZI \
  | 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: ddd987f6af8eb9802894daad5a0b06ca0bd544771338f7acccb424fa55179eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f27df26e5fa0abf87f315aba01c1f0a408caf30e69dd32414056dfa6ad0c33",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-08-03T10:20:22Z",
    "title_canon_sha256": "caa2959b2cc44d7f737c5d35057642f23a799be16e2a407457ada6ba44d0d83c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9908018",
    "kind": "arxiv",
    "version": 1
  }
}