Pith Number

pith:HFHGNGPF

pith:2018:HFHGNGPFJFRQ3BQZQ36VJ65JGN

not attested not anchored not stored refs pending

Ergoregions between two ergospheres

Gregory Eskin, Michael Hall

arxiv:1801.10206 v1 · 2018-01-30 · math.AP · 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{HFHGNGPFJFRQ3BQZQ36VJ65JGN}

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	2026-05-18T00:05:14.316466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

394e6699e549630d861986fd54fba9337691ab7a7a06a1295b2afbe1cde523f1

Aliases

arxiv: 1801.10206 · arxiv_version: 1801.10206v1 · doi: 10.48550/arxiv.1801.10206 · pith_short_12: HFHGNGPFJFRQ · pith_short_16: HFHGNGPFJFRQ3BQZ · pith_short_8: HFHGNGPF

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/HFHGNGPFJFRQ3BQZQ36VJ65JGN \
  | 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: 394e6699e549630d861986fd54fba9337691ab7a7a06a1295b2afbe1cde523f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b0f77fc0b52789a4340146ee96b95497610ed3e0a5ea8d6fa43d0a33f94152",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-30T20:20:01Z",
    "title_canon_sha256": "fdbcad4f0c56b281abf72080b37c24665167484bbe76f78fe2ce338d426be1df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10206",
    "kind": "arxiv",
    "version": 1
  }
}