pith. sign in
Pith Number

pith:POQREQCU

pith:1994:POQREQCUOBGWJRK2L2QIZUV3WD
not attested not anchored not stored refs pending

Black holes cannot support conformal scalar hair

T. Zannias

arxiv:gr-qc/9409030 v1 · 1994-09-14 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{POQREQCUOBGWJRK2L2QIZUV3WD}

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 2026-05-18T02:37:29.831574Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7ba1124054704d64c55a5ea08cd2bbb0f8d83773512477d7d4f1babc8b6af483

Aliases

arxiv: gr-qc/9409030 · arxiv_version: gr-qc/9409030v1 · doi: 10.48550/arxiv.gr-qc/9409030 · pith_short_12: POQREQCUOBGW · pith_short_16: POQREQCUOBGWJRK2 · pith_short_8: POQREQCU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/POQREQCUOBGWJRK2L2QIZUV3WD \
  | 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: 7ba1124054704d64c55a5ea08cd2bbb0f8d83773512477d7d4f1babc8b6af483
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7f68418e740c6a138aede330369d58d572b30d053e93f145e64826f828eab92d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-09-14T13:44:59Z",
    "title_canon_sha256": "63d2f996d285283c8bc332b6e466cd464479bb9535c95ffcc4fc0d8525f97a67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9409030",
    "kind": "arxiv",
    "version": 1
  }
}