Pith Number

pith:CW7XU6T7

pith:2020:CW7XU6T7LFAQVDXJREQIJOOAGK

not attested not anchored not stored refs pending

Dilaton gravity with a boundary: from unitarity to black hole evaporation

Dmitry Levkov, Maxim Fitkevich, Yegor Zenkevich

arxiv:2004.13745 v3 · 2020-04-28 · hep-th · 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{CW7XU6T7LFAQVDXJREQIJOOAGK}

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	2026-07-05T01:42:13.739825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15bf7a7a7f59410a8ee9892084b9c0328051069e2ed41981503b6f56b07c28e1

Aliases

arxiv: 2004.13745 · arxiv_version: 2004.13745v3 · doi: 10.48550/arxiv.2004.13745 · pith_short_12: CW7XU6T7LFAQ · pith_short_16: CW7XU6T7LFAQVDXJ · pith_short_8: CW7XU6T7

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/CW7XU6T7LFAQVDXJREQIJOOAGK \
  | 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: 15bf7a7a7f59410a8ee9892084b9c0328051069e2ed41981503b6f56b07c28e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dd1329ca55ae07407d496ddd207150195fce8a430a971d1a0d2965068f41cd0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-04-28T18:00:11Z",
    "title_canon_sha256": "a0d82bfa1cb358288f0d41f0dfbc69408ecadf83f0ef5a7c328491ff737bbce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13745",
    "kind": "arxiv",
    "version": 3
  }
}