Pith Number

pith:YPUC6L3Y

pith:2015:YPUC6L3YM4XG36DFOJ2SYX24J3

not attested not anchored not stored refs pending

Black holes in an expanding universe and supersymmetry

Dietmar Klemm, Masato Nozawa

arxiv:1511.01949 v2 · 2015-11-05 · 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{YPUC6L3YM4XG36DFOJ2SYX24J3}

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	2026-05-18T01:24:24.094593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e82f2f78672e6df86572752c5f5c4ef79d768f4d60ae4613bbbdb9cc5969f6

Aliases

arxiv: 1511.01949 · arxiv_version: 1511.01949v2 · doi: 10.48550/arxiv.1511.01949 · pith_short_12: YPUC6L3YM4XG · pith_short_16: YPUC6L3YM4XG36DF · pith_short_8: YPUC6L3Y

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/YPUC6L3YM4XG36DFOJ2SYX24J3 \
  | 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: c3e82f2f78672e6df86572752c5f5c4ef79d768f4d60ae4613bbbdb9cc5969f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea0dff5bc30ba599ed925a15e3efe0faa1e834f68f5773240fdb725280e92308",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-11-05T23:11:14Z",
    "title_canon_sha256": "c58ffe4c93fd63f920a5eab35b2b2381c3621de78a2f8ea03bc3a806e60fce23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01949",
    "kind": "arxiv",
    "version": 2
  }
}