pith. sign in
Pith Number

pith:P3SMGY6S

pith:2018:P3SMGY6SC2JDOQ4D3VXJVG2YMB
not attested not anchored not stored refs pending

Regular Instantons in the Eddington-inspired-Born-Infeld Gravity: Lorentzian Wormholes from Bubble Nucleations

Che-Yu Chen, Dong-han Yeom, Mariam Bouhmadi-L\'opez, Pisin Chen

arxiv:1809.06579 v2 · 2018-09-18 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{P3SMGY6SC2JDOQ4D3VXJVG2YMB}

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 2026-05-18T00:02:09.058158Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7ee4c363d21692374383dd6e9a9b58606e72ea01828643fee2ba919512977778

Aliases

arxiv: 1809.06579 · arxiv_version: 1809.06579v2 · doi: 10.48550/arxiv.1809.06579 · pith_short_12: P3SMGY6SC2JD · pith_short_16: P3SMGY6SC2JDOQ4D · pith_short_8: P3SMGY6S
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/P3SMGY6SC2JDOQ4D3VXJVG2YMB \
  | 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: 7ee4c363d21692374383dd6e9a9b58606e72ea01828643fee2ba919512977778
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6fb0a7e1c7b3e4c7bf0db2d861a4ce298c64f27ad48ea11cc3a062cd47a0d297",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-18T08:16:32Z",
    "title_canon_sha256": "8a8f406dd7b800947a15308be558e47f07946ec9ee913dadd434a67d2e071f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06579",
    "kind": "arxiv",
    "version": 2
  }
}