Pith Number

pith:BWJRQW2B

pith:1999:BWJRQW2BYRCHFMRABHHWZNF6K3

not attested not anchored not stored refs pending

Extended Open Inflation

Masahide Yamaguchi, Takeshi Chiba

arxiv:hep-ph/9907402 v2 · 1999-07-18 · hep-ph · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWJRQW2BYRCHFMRABHHWZNF6K3}

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	2026-07-04T16:14:23.674982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d93185b41c44472b22009cf6cb4be56c7e92eb811fd2511897bedf2dff4142b

Aliases

arxiv: hep-ph/9907402 · arxiv_version: hep-ph/9907402v2 · doi: 10.48550/arxiv.hep-ph/9907402 · pith_short_12: BWJRQW2BYRCH · pith_short_16: BWJRQW2BYRCHFMRA · pith_short_8: BWJRQW2B

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/BWJRQW2BYRCHFMRABHHWZNF6K3 \
  | 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: 0d93185b41c44472b22009cf6cb4be56c7e92eb811fd2511897bedf2dff4142b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70017ca16e38ba9c6f17f37a7d2ffdb5e0852df155c326f5c5c6e7db89059b41",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-07-18T09:11:33Z",
    "title_canon_sha256": "ff67a9da606dd6e87ccbb4ef30f0076b36d9780337291dfb335ad551352633d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9907402",
    "kind": "arxiv",
    "version": 2
  }
}