Pith Number

pith:5L2TUJ46

pith:2015:5L2TUJ46RMOW7K5MDVSVZ2ECME

not attested not anchored not stored refs pending

The Black Ring is Unstable

Benson Way, Jorge E. Santos

arxiv:1503.00721 v1 · 2015-03-02 · 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{5L2TUJ46RMOW7K5MDVSVZ2ECME}

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	2026-05-18T01:55:41.984624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaf53a279e8b1d6fabac1d655ce8826115233a0e292e4313d8efe8f108d74bc3

Aliases

arxiv: 1503.00721 · arxiv_version: 1503.00721v1 · doi: 10.48550/arxiv.1503.00721 · pith_short_12: 5L2TUJ46RMOW · pith_short_16: 5L2TUJ46RMOW7K5M · pith_short_8: 5L2TUJ46

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/5L2TUJ46RMOW7K5MDVSVZ2ECME \
  | 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: eaf53a279e8b1d6fabac1d655ce8826115233a0e292e4313d8efe8f108d74bc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "251a4b494c2bb45797b76db713b91724f4b9e4ed9fb101205cdfbca947e85e5f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-03-02T21:00:11Z",
    "title_canon_sha256": "8c74426400ed83f6a191a8d4b00a31f588ae4ec98158af1b2246bba7320dd99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00721",
    "kind": "arxiv",
    "version": 1
  }
}