Pith Number

pith:D6KCMO5S

pith:1994:D6KCMO5SABMJIEBN6IX6CIMFZU

not attested not anchored not stored refs pending

Natural Wormholes as Gravitational Lenses

Geoffrey A. Landis, Gregory Benford, John G. Cramer, Matt Visser, Michael S. Morris, Robert L. Forward

arxiv:astro-ph/9409051 v1 · 1994-09-20 · 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{D6KCMO5SABMJIEBN6IX6CIMFZU}

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

2 papers in Pith

Ellis-Bronnikov Wormhole Shadows with Spherically Symmetric Accretion Flow

Observational signatures of negative mass wormholes through their shadows

Receipt and verification

First computed	2026-07-04T15:56:09.071913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f94263bb2005894102df22fe12185cd2e93900092aecd34b7f99b6a1be50822

Aliases

arxiv: astro-ph/9409051 · arxiv_version: astro-ph/9409051v1 · doi: 10.48550/arxiv.astro-ph/9409051 · pith_short_12: D6KCMO5SABMJ · pith_short_16: D6KCMO5SABMJIEBN · pith_short_8: D6KCMO5S

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/D6KCMO5SABMJIEBN6IX6CIMFZU \
  | 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: 1f94263bb2005894102df22fe12185cd2e93900092aecd34b7f99b6a1be50822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b8dc0e1b06236ddea04072ef59fa407cd6d81f6158f08bb59ac2c6f3df29c27",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-09-20T20:29:13Z",
    "title_canon_sha256": "75d5d93dcce22887c00cce94b66225b44ef435099a21b1054fcf2ef159559644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9409051",
    "kind": "arxiv",
    "version": 1
  }
}