pith. sign in
Pith Number

pith:HMIPSQ4P

pith:2015:HMIPSQ4PUSOY4MURQRKVY346CR
not attested not anchored not stored refs pending

A state description of pair production from Dirac sea in gravitational field --physical interpretation of Weyl anomaly--

Holger B. Nielsen, Masao Ninomiya, Yoshinobu Habara

arxiv:1503.05340 v2 · 2015-03-18 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HMIPSQ4PUSOY4MURQRKVY346CR}

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 2026-05-18T01:30:48.983663Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3b10f9438fa49d8e329184555c6f9e1449aa0bd574b36a57499fd10166e57f50

Aliases

arxiv: 1503.05340 · arxiv_version: 1503.05340v2 · doi: 10.48550/arxiv.1503.05340 · pith_short_12: HMIPSQ4PUSOY · pith_short_16: HMIPSQ4PUSOY4MUR · pith_short_8: HMIPSQ4P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HMIPSQ4PUSOY4MURQRKVY346CR \
  | 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: 3b10f9438fa49d8e329184555c6f9e1449aa0bd574b36a57499fd10166e57f50
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4cddd150b5e134b1477c105e885c3955c1eb7f12752964256e3b5f5819c9d3b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-03-18T11:07:19Z",
    "title_canon_sha256": "173044919e7b576577c9b580f38566bacc55a73732241ba1a67bfc0d9d7edbd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05340",
    "kind": "arxiv",
    "version": 2
  }
}