Pith Number

pith:VKSV2C3M

pith:2018:VKSV2C3MWRD3ZEQSL3XSDYFYQG

not attested not anchored not stored refs pending

The exponential metric represents a traversable wormhole

Alex Simpson (Victoria University of Wellington), Matt Visser (Victoria University of Wellington), Petarpa Boonserm (Chulalongkorn University), Tritos Ngampitipan (Chandrakasem Rajabhat University)

arxiv:1805.03781 v3 · 2018-05-10 · 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{VKSV2C3MWRD3ZEQSL3XSDYFYQG}

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.

Cited by

1 paper in Pith

Memory burden effect of regular primordial black holes

Receipt and verification

First computed	2026-05-18T00:01:29.694290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa55d0b6cb447bc92125eef21e0b8818bc05123a8624ebcdf9979bd84138512

Aliases

arxiv: 1805.03781 · arxiv_version: 1805.03781v3 · doi: 10.48550/arxiv.1805.03781 · pith_short_12: VKSV2C3MWRD3 · pith_short_16: VKSV2C3MWRD3ZEQS · pith_short_8: VKSV2C3M

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/VKSV2C3MWRD3ZEQSL3XSDYFYQG \
  | 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: aaa55d0b6cb447bc92125eef21e0b8818bc05123a8624ebcdf9979bd84138512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aee491ce26d8bace481860cb9a4e7e1ace6844d4bc73674e678fa676dca62f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-10T01:56:30Z",
    "title_canon_sha256": "d135ed89668b70d13542eb64c7c54f9528dd1650657fee5127904c2c97816314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03781",
    "kind": "arxiv",
    "version": 3
  }
}