Pith Number

pith:QH6CL2HZ

pith:2014:QH6CL2HZOBZ3F3HAIHESCCVA6Q

not attested not anchored not stored refs pending

Hadamard state in Schwarzschild-de Sitter spacetime

Marcos Brum, Sergio E. Jor\'as

arxiv:1405.7916 v4 · 2014-05-30 · gr-qc · hep-th · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QH6CL2HZOBZ3F3HAIHESCCVA6Q}

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	2026-05-18T02:31:59.959884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fc25e8f97073b2ece041c9210aa0f416498a8ae035993174ccffae353690dd

Aliases

arxiv: 1405.7916 · arxiv_version: 1405.7916v4 · doi: 10.48550/arxiv.1405.7916 · pith_short_12: QH6CL2HZOBZ3 · pith_short_16: QH6CL2HZOBZ3F3HA · pith_short_8: QH6CL2HZ

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/QH6CL2HZOBZ3F3HAIHESCCVA6Q \
  | 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: 81fc25e8f97073b2ece041c9210aa0f416498a8ae035993174ccffae353690dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f98c5650a2c7ff8d3240a46fdde9f61d3003e585f80581c794f2c9d2f0d41cb",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-30T17:06:37Z",
    "title_canon_sha256": "de4430f81da4e99b5f98396cf82b75c5ecd559ad148fc30ebaf12c7b75b03b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7916",
    "kind": "arxiv",
    "version": 4
  }
}