Pith Number

pith:XQSRQEKS

pith:2007:XQSRQEKS3VL5RWNLY7RBI2WZZG

not attested not anchored not stored refs pending

Dynamics of colliding branes and black brane production

Hideaki Kudoh, Kei-ichi Maeda, Yu-ichi Takamizu

arxiv:gr-qc/0702138 v2 · 2007-02-26 · gr-qc · astro-ph · hep-ph · 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{XQSRQEKS3VL5RWNLY7RBI2WZZG}

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	2026-07-04T15:22:01.011461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc25181152dd57d8d9abc7e2146ad9c9b0d80309c025de75beb65f8c7dde2b4e

Aliases

arxiv: gr-qc/0702138 · arxiv_version: gr-qc/0702138v2 · doi: 10.48550/arxiv.gr-qc/0702138 · pith_short_12: XQSRQEKS3VL5 · pith_short_16: XQSRQEKS3VL5RWNL · pith_short_8: XQSRQEKS

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/XQSRQEKS3VL5RWNLY7RBI2WZZG \
  | 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: bc25181152dd57d8d9abc7e2146ad9c9b0d80309c025de75beb65f8c7dde2b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013109009e6156c96fca772a1536b3f7731c2cc7adc528c4c32a9a7957a691f0",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-02-26T21:28:53Z",
    "title_canon_sha256": "de7f8d9b08e81017e212636a05cb4ef771ca49efa44d7828e2f7ad80ca9d5989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0702138",
    "kind": "arxiv",
    "version": 2
  }
}