Pith Number

pith:URNPQ7W6

pith:2012:URNPQ7W6R4E2BYVLW3DQYWMBUT

not attested not anchored not stored refs pending

Adding new hair to the 3-charge black ring

Rodolfo Russo, Stefano Giusto

arxiv:1201.2585 v1 · 2012-01-12 · 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{URNPQ7W6R4E2BYVLW3DQYWMBUT}

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	2026-05-18T01:58:52.122796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45af87ede8f09a0e2abb6c70c5981a4def76c2de802dbfcd5a4909814412aee

Aliases

arxiv: 1201.2585 · arxiv_version: 1201.2585v1 · doi: 10.48550/arxiv.1201.2585 · pith_short_12: URNPQ7W6R4E2 · pith_short_16: URNPQ7W6R4E2BYVL · pith_short_8: URNPQ7W6

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/URNPQ7W6R4E2BYVLW3DQYWMBUT \
  | 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: a45af87ede8f09a0e2abb6c70c5981a4def76c2de802dbfcd5a4909814412aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "046817b53888f8bec1971c7f2a2ce1f3f9792c2178d64688b183239aa63a7c0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-01-12T15:08:37Z",
    "title_canon_sha256": "c6302e2dba404cd81a5c3c22e7957d1eca94e363802af3859278d17bf84731e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2585",
    "kind": "arxiv",
    "version": 1
  }
}