Pith Number

pith:EMX4M5N2

pith:2006:EMX4M5N2DNUIVA5N26Y2PLGUXT

not attested not anchored not stored refs pending

Seeking exactly solvable models of traversable wormholes supported by phantom energy

Peter K.F. Kuhfittig

arxiv:gr-qc/0608055 v4 · 2006-08-10 · 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{EMX4M5N2DNUIVA5N26Y2PLGUXT}

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	2026-05-18T02:19:36.728475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

232fc675ba1b688a83add7b1a7acd4bcc9771c2b5843d5f6ba4ecac9ba24a037

Aliases

arxiv: gr-qc/0608055 · arxiv_version: gr-qc/0608055v4 · doi: 10.48550/arxiv.gr-qc/0608055 · pith_short_12: EMX4M5N2DNUI · pith_short_16: EMX4M5N2DNUIVA5N · pith_short_8: EMX4M5N2

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/EMX4M5N2DNUIVA5N26Y2PLGUXT \
  | 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: 232fc675ba1b688a83add7b1a7acd4bcc9771c2b5843d5f6ba4ecac9ba24a037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f05e33f1861d0a9f9ac50097b7edb1586b1092e4ab21585dceccfc731c80c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-08-10T15:17:01Z",
    "title_canon_sha256": "fab0633f2e1d50cbdef814ff640218408afc76dc5a199332709f971c298553cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0608055",
    "kind": "arxiv",
    "version": 4
  }
}