Pith Number

pith:NMG5EARG

pith:2014:NMG5EARG42KVENWIDY77MDOWJN

not attested not anchored not stored refs pending

Parametric down conversion with a depleted pump as a model for classical information transmission capacity of quantum black holes

Paul M. Alsing

arxiv:1408.4491 v2 · 2014-08-19 · quant-ph · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMG5EARG42KVENWIDY77MDOWJN}

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.

Cited by

1 paper in Pith

Black Hole Waterfall: a unitary phenomenological model for black hole evaporation with Page curve

Receipt and verification

First computed	2026-05-18T01:42:17.058135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0dd20226e6955236c81e3ff60dd64b7bcd74c2c3d9be2e652834a455ad7390

Aliases

arxiv: 1408.4491 · arxiv_version: 1408.4491v2 · doi: 10.48550/arxiv.1408.4491 · pith_short_12: NMG5EARG42KV · pith_short_16: NMG5EARG42KVENWI · pith_short_8: NMG5EARG

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/NMG5EARG42KVENWIDY77MDOWJN \
  | 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: 6b0dd20226e6955236c81e3ff60dd64b7bcd74c2c3d9be2e652834a455ad7390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab5a7a95d47375ed5ada28fd12b914c94942f9172968283d9678e5aa4f6e4446",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-19T22:17:45Z",
    "title_canon_sha256": "560afe706d63837d80924e31b15029e326ae701ffb666f5a3bc88e6cd7a52e7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4491",
    "kind": "arxiv",
    "version": 2
  }
}