Pith Number

pith:UT4CYI4H

pith:1999:UT4CYI4HL3NHJXNWDWPXYEE7IV

not attested not anchored not stored refs pending

Cosmological 3-Brane Solutions

I.I. Kogan, K.A. Olive, M. Pospelov, P. Kanti

arxiv:hep-ph/9909481 v2 · 1999-09-22 · hep-ph · astro-ph · gr-qc · 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{UT4CYI4HL3NHJXNWDWPXYEE7IV}

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	2026-07-04T15:49:40.330089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f82c23875eda74ddb61d9f7c109f454075061822fc7ff103074ece7160af01

Aliases

arxiv: hep-ph/9909481 · arxiv_version: hep-ph/9909481v2 · doi: 10.48550/arxiv.hep-ph/9909481 · pith_short_12: UT4CYI4HL3NH · pith_short_16: UT4CYI4HL3NHJXNW · pith_short_8: UT4CYI4H

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/UT4CYI4HL3NHJXNWDWPXYEE7IV \
  | 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: a4f82c23875eda74ddb61d9f7c109f454075061822fc7ff103074ece7160af01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d940af8d208ee4a7b18301e7d8625c63c602de43c2a49cd3b8b593a6caddbf3",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-09-22T23:03:35Z",
    "title_canon_sha256": "69a59132b08a8120089c853d45ef4f94ccc172badd478aabc1488ab09668ccb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9909481",
    "kind": "arxiv",
    "version": 2
  }
}