Pith Number

pith:EZDR63VW

pith:2021:EZDR63VW7TXUACLEHS2T6C5ZKU

not attested not anchored not stored refs pending

Improved exclusion limit for light dark matter from $e^+e^-$ annihilation in NA64

A. Celentano, A. Chumakov, A. Dermenev, A. Feshchenko, A. Gardikiotis, A. Karneyeu, A. Rubbia, A. Toropin, A. Trifonov, B. Ketzer, B. Radics, B. Vasilishin, D. Banerjee, D. Cooke, D. Kirpichnikov, D. Peshekhonov, D. Shchukin, E. Depero, G. Kekelidze, G. Vasquez, H. Sieber, I. Konorov, I. Tlisova, J. Bernhard, L. Kravchuk, L. Marsicano, L. Molina, M. Bondi, M. Hoesgen, M. Jeckel, M. Kirsanov, N. Charitonidis, N. Krasnikov, P. Crivelli, P. Ulloa, P. Volkov, R. Dusaev, R. Rojas, S. Donskov, S. Gerassimov, S. Gninenko, S. Kovalenko, S. Kuleshov, T. Enik, V. Burtsev, V. Frolov, V. Kachanov, V. Kolosov, V. Kramarenko, V. Lysan, V. Lyubovitskij, V. Matveev, V. Polyakov, V. Samoylenko, V. Tikhomirov, V. Volkov, Yu. Andreev, Yu. Mikhailov

arxiv:2108.04195 v2 · 2021-08-09 · hep-ex · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZDR63VW7TXUACLEHS2T6C5ZKU}

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	2026-07-05T03:36:10.859667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26471f6eb6fcef4009643cb53f0bb9551d8986473af6c3c6ac2cfe56b47845d0

Aliases

arxiv: 2108.04195 · arxiv_version: 2108.04195v2 · doi: 10.48550/arxiv.2108.04195 · pith_short_12: EZDR63VW7TXU · pith_short_16: EZDR63VW7TXUACLE · pith_short_8: EZDR63VW

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/EZDR63VW7TXUACLEHS2T6C5ZKU \
  | 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: 26471f6eb6fcef4009643cb53f0bb9551d8986473af6c3c6ac2cfe56b47845d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0ab8f0c6374f20c8b0edb1844d67129807ab21db233d87919f0f622ff1647f6",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2021-08-09T17:35:42Z",
    "title_canon_sha256": "69c9289a75a6741b8b0538fa30fbe4c343c6a428d3de2d6fc790bd360d7ebb06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04195",
    "kind": "arxiv",
    "version": 2
  }
}