Pith Number

pith:5HNHT45W

pith:2017:5HNHT45W5SOZ5FPKNTJDEJNIWB

not attested not anchored not stored refs pending

Traversable wormholes in Chern-Simons modified gravity

A. Yu. Petrov, J. R. Nascimento, P. J. Porfirio

arxiv:1712.08444 v2 · 2017-12-22 · 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{5HNHT45W5SOZ5FPKNTJDEJNIWB}

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	2026-05-18T00:26:23.202029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9da79f3b6ec9d9e95ea6cd23225a8b0731cb01193e1bcd7942c90c164f866ec

Aliases

arxiv: 1712.08444 · arxiv_version: 1712.08444v2 · doi: 10.48550/arxiv.1712.08444 · pith_short_12: 5HNHT45W5SOZ · pith_short_16: 5HNHT45W5SOZ5FPK · pith_short_8: 5HNHT45W

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/5HNHT45W5SOZ5FPKNTJDEJNIWB \
  | 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: e9da79f3b6ec9d9e95ea6cd23225a8b0731cb01193e1bcd7942c90c164f866ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a5493109b45101a984b67c9ce2f9f4db9e4d4e2326a4774a470e333da860fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-22T13:53:55Z",
    "title_canon_sha256": "1b3db721f8ae379c783827ebe833d3c9149ef87679d61b84062f0b99447dbc13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08444",
    "kind": "arxiv",
    "version": 2
  }
}