Pith Number

pith:3WINBC2C

pith:2018:3WINBC2CZDC7SXT4WATP5E4H47

not attested not anchored not stored refs pending

Charge extraction from a black hole

F.R. Klinkhamer, V.A. Emelyanov

arxiv:1807.08597 v3 · 2018-07-15 · physics.gen-ph · 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{3WINBC2CZDC7SXT4WATP5E4H47}

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	2026-05-18T00:02:19.272356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd90d08b42c8c5f95e7cb026fe9387e7d13ecde93d4e82a6081a4e7dfc89ec74

Aliases

arxiv: 1807.08597 · arxiv_version: 1807.08597v3 · doi: 10.48550/arxiv.1807.08597 · pith_short_12: 3WINBC2CZDC7 · pith_short_16: 3WINBC2CZDC7SXT4 · pith_short_8: 3WINBC2C

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/3WINBC2CZDC7SXT4WATP5E4H47 \
  | 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: dd90d08b42c8c5f95e7cb026fe9387e7d13ecde93d4e82a6081a4e7dfc89ec74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a44f952bf17a769089332429003a5166ef9c74392a35b19b12f25f5288ac1e7f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2018-07-15T14:15:37Z",
    "title_canon_sha256": "0aa5ee49c4cb3d806b7152cc9234f5b994d6ec7b48e5e5ec3d67b68eed53166e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08597",
    "kind": "arxiv",
    "version": 3
  }
}