Pith Number

pith:EW34TF2P

pith:2013:EW34TF2P6AFQOUJG7XCE7WDK64

not attested not anchored not stored refs pending

Hawking radiation and total entropy change as tunneling

Chikun Ding

arxiv:1302.0353 v2 · 2013-02-02 · 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{EW34TF2P6AFQOUJG7XCE7WDK64}

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	2026-05-18T03:01:35.954198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b7c9974ff00b075126fdc44fd86af72b40f803f0e384309978aacf9ecec3b6

Aliases

arxiv: 1302.0353 · arxiv_version: 1302.0353v2 · doi: 10.48550/arxiv.1302.0353 · pith_short_12: EW34TF2P6AFQ · pith_short_16: EW34TF2P6AFQOUJG · pith_short_8: EW34TF2P

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/EW34TF2P6AFQOUJG7XCE7WDK64 \
  | 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: 25b7c9974ff00b075126fdc44fd86af72b40f803f0e384309978aacf9ecec3b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb3b99b6709e05ed10739214317d48e73a0c31a9ac27405c9684969bfdd6704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-02T08:39:16Z",
    "title_canon_sha256": "8f6a338c5eb465b9ebd1ce44b52507bce18664898cd7736f19b42ebf9733dea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0353",
    "kind": "arxiv",
    "version": 2
  }
}