Pith Number

pith:WMCM7N6D

pith:2008:WMCM7N6DA46DVJ3W6XY25DMZNW

not attested not anchored not stored refs pending

Could some black holes have evolved from wormholes?

Peter K.F. Kuhfittig

arxiv:0812.4712 v6 · 2008-12-29 · 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{WMCM7N6DA46DVJ3W6XY25DMZNW}

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	2026-05-18T04:23:13.471786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b304cfb7c3073c3aa776f5f1ae8d996db34e9295fbedcde4061ccf021c9def4c

Aliases

arxiv: 0812.4712 · arxiv_version: 0812.4712v6 · doi: 10.48550/arxiv.0812.4712 · pith_short_12: WMCM7N6DA46D · pith_short_16: WMCM7N6DA46DVJ3W · pith_short_8: WMCM7N6D

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/WMCM7N6DA46DVJ3W6XY25DMZNW \
  | 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: b304cfb7c3073c3aa776f5f1ae8d996db34e9295fbedcde4061ccf021c9def4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "338761b5ae1ca5fd66469cc32c40243609e1e18292761e6250edfad2a61095ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-12-29T15:21:56Z",
    "title_canon_sha256": "8e32bfa9aa61b71b5afd92496e2f91b3b0cab6345c230a9d7c88d17e428bb086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4712",
    "kind": "arxiv",
    "version": 6
  }
}