pith. sign in
Pith Number

pith:SA2WJFHP

pith:2011:SA2WJFHP4GSYGD4G5OY752NSJK
not attested not anchored not stored refs pending

Two-Sided Gravitational Mirror: Sealing off Curvature Singularities

Aharon Davidson, Ben Yellin

arxiv:1201.0137 v2 · 2011-12-30 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SA2WJFHP4GSYGD4G5OY752NSJK}

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 2026-05-18T04:04:44.525891Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

90356494efe1a5830f86ebb1fee9b24a897a9aa8f82aad76f5f82261209241cb

Aliases

arxiv: 1201.0137 · arxiv_version: 1201.0137v2 · doi: 10.48550/arxiv.1201.0137 · pith_short_12: SA2WJFHP4GSY · pith_short_16: SA2WJFHP4GSYGD4G · pith_short_8: SA2WJFHP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SA2WJFHP4GSYGD4G5OY752NSJK \
  | 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: 90356494efe1a5830f86ebb1fee9b24a897a9aa8f82aad76f5f82261209241cb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "12361635c3bb14de7155c958b3aff801e03a135d5c9379f322c8b2b9a2024ce5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-30T15:12:20Z",
    "title_canon_sha256": "1f21710f48894b05dab3e08fe6d8fbaa05317a3f7c5d7291d13b5de62762d686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0137",
    "kind": "arxiv",
    "version": 2
  }
}