Pith. sign in
Pith Number

pith:BLCWEIK3

pith:2019:BLCWEIK3CUJG3IOUSNLFUEI4T4
not attested not anchored not stored refs pending

On the Status of Conservation Laws in Physics: Implications for Semiclassical Gravity

Daniel Sudarsky, Elias Okon, Tim Maudlin

arxiv:1910.06473 v2 · 2019-10-15 · gr-qc · physics.hist-ph · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BLCWEIK3CUJG3IOUSNLFUEI4T4}

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 2026-07-05T00:18:41.523403Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0ac562215b15126da1d493565a111c9f3407484b0944f8635bdd4ce524dc2bb9

Aliases

arxiv: 1910.06473 · arxiv_version: 1910.06473v2 · doi: 10.48550/arxiv.1910.06473 · pith_short_12: BLCWEIK3CUJG · pith_short_16: BLCWEIK3CUJG3IOU · pith_short_8: BLCWEIK3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BLCWEIK3CUJG3IOUSNLFUEI4T4 \
  | 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: 0ac562215b15126da1d493565a111c9f3407484b0944f8635bdd4ce524dc2bb9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f6b692ef99c19c43c45e331c9a2d5f9f0c0ef2cf200905ead7c776d11b56c98b",
    "cross_cats_sorted": [
      "physics.hist-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-10-15T01:41:17Z",
    "title_canon_sha256": "cbff09d31ca18c5400790fd7908d431904cc05dcfa9121780f978cad4764e510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.06473",
    "kind": "arxiv",
    "version": 2
  }
}