Pith Number

pith:3PFBFPLB

pith:2021:3PFBFPLBHPQDUPWNBDNBGFS65O

not attested not anchored not stored refs pending

A new anomaly observed in $^4$He supports the existence of the hypothetical X17 particle

A.J. Krasznahorkay, A. Krasznahorkay, B.M. Nyak\'o, I. Rajta, I. Vajda, J. Guly\'as, J. Tim\'ar, L. Csige, M. Csatl\'os, N.J. Sas

arxiv:2104.10075 v1 · 2021-04-20 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PFBFPLBHPQDUPWNBDNBGFS65O}

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.

Cited by

6 papers in Pith

The X17 Existence Hinted at by Nuclear Reactor Neutrinos

Beam-Dump Ceiling and Its Experimental Implication: The Case of a Portable Experiment

Testing the hypothesis of vector X17 boson by D meson, Charmonium, and $\phi$ meson decays

Combined Evidence for the $X_{17}$ Boson After PADME Results on Resonant Production in Positron Annihilation

Axion-Like Electrophilic Portal for Pion Dark Matter

Receipt and verification

First computed	2026-07-05T03:25:54.155554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbca12bd613be03a3ecd08da13165eeb9ec9c4af2340b33a813deec38b76f924

Aliases

arxiv: 2104.10075 · arxiv_version: 2104.10075v1 · doi: 10.48550/arxiv.2104.10075 · pith_short_12: 3PFBFPLBHPQD · pith_short_16: 3PFBFPLBHPQDUPWN · pith_short_8: 3PFBFPLB

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/3PFBFPLBHPQDUPWNBDNBGFS65O \
  | 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: dbca12bd613be03a3ecd08da13165eeb9ec9c4af2340b33a813deec38b76f924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daf61648c713c9e743c87f9505a95ae1f63bbe1278e17d95d3273b6bbae7ed85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2021-04-20T15:57:03Z",
    "title_canon_sha256": "8b7f4d6f087dbe292917741291a4f73655f797e0c9c79514469308b6a4b8276c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10075",
    "kind": "arxiv",
    "version": 1
  }
}