Pith Number

pith:HEOMFK3B

pith:1999:HEOMFK3BI43GXWB6HTHF4YUTE4

not attested not anchored not stored refs pending

Big Bang riddles and their revelations

Joao Magueijo, Kim Baskerville

arxiv:astro-ph/9905393 v1 · 1999-05-31 · 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{HEOMFK3BI43GXWB6HTHF4YUTE4}

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	2026-05-18T01:40:13.098977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391cc2ab6147366bd83e3cce5e629327280734c276ca39bd57c85b4144d6b4d4

Aliases

arxiv: astro-ph/9905393 · arxiv_version: astro-ph/9905393v1 · doi: 10.48550/arxiv.astro-ph/9905393 · pith_short_12: HEOMFK3BI43G · pith_short_16: HEOMFK3BI43GXWB6 · pith_short_8: HEOMFK3B

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/HEOMFK3BI43GXWB6HTHF4YUTE4 \
  | 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: 391cc2ab6147366bd83e3cce5e629327280734c276ca39bd57c85b4144d6b4d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6df89950330aaac62d08c0407303b84a9c353c73ce76a5a3c6182eb2245d49f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-31T10:21:43Z",
    "title_canon_sha256": "9fef67ebbd9a9f47d6a54d2cb0bb0d4ae869b1f58002637461031cee7d400677"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905393",
    "kind": "arxiv",
    "version": 1
  }
}