Pith Number

pith:K4A2NCRD

pith:2026:K4A2NCRDKYY53ZOO2GSCF3JUDD

not attested not anchored not stored refs pending

Experimental determination of the Dalitz plot for positronium decay using the J-PET detection system

Aleksander Khreptak, Alessio Porcelli, Anand Pandey, Anoop K. Venadan, Bart{\l}omiej {\L}ach, Bart{\l}omiej Rachwa{\l}, Bozena Jasinska, Catalina Curceanu, Deepak Kumar, Edward Lisowski, Ermias Beyene, Eryk Czerwinski, Ewa St\k{e}pie\'n, Filip Lisowski, Justyna M\k{e}drala-Sowa, Kamila Kasperska, Karol Kubat, Kavya Valsan Eliyan, Keyvan Tayefi Ardebili, Krzysztof Kacprzak, {\L}ukasz Kap{\l}on, Magdalena Skurzok, Manish Das, Marek Gorgol, Martin R\"adlera, Neha Chug, Pawe{\l} Moskal, Piyush Pandey, Pooja Tanty, Satyam Tiwari, Sharareh Jalali, Simbarashe Moyo, Steven D. Bass, Sumit Kumar Kundu, Sushil Sharma, Szymon Nied\'zwiecki, Tevfik Kaplanoglu, Tomasz Kozik, Tomasz Szumlak, Wiktor Mryka

arxiv:2607.19495 v1 · 2026-07-21 · 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{K4A2NCRDKYY53ZOO2GSCF3JUDD}

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	2026-07-23T00:23:53.170259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5701a68a235631dde5ced1a422ed3418cc16ebd70de225b7538e46fb639f770a

Aliases

arxiv: 2607.19495 · arxiv_version: 2607.19495v1 · doi: 10.48550/arxiv.2607.19495 · pith_short_12: K4A2NCRDKYY5 · pith_short_16: K4A2NCRDKYY53ZOO · pith_short_8: K4A2NCRD

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/K4A2NCRDKYY53ZOO2GSCF3JUDD \
  | 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: 5701a68a235631dde5ced1a422ed3418cc16ebd70de225b7538e46fb639f770a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eca972ae1bbaf64e529a80769346434e8dae71857e4801b1faab819711672d7b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2026-07-21T18:14:57Z",
    "title_canon_sha256": "40d21acaa3453044c6161f49866b772bab1c1f7ab931cda36b525ffc36883b7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19495",
    "kind": "arxiv",
    "version": 1
  }
}