Pith Number

pith:IJQ2IZ7T

pith:2019:IJQ2IZ7T2NAFKALB2MJU5O2EPN

not attested not anchored not stored refs pending

Annihilation energy and decay time of an ortho-Positronium

Abdullah Guvendi, Yusuf Sucu

arxiv:1907.04619 v1 · 2019-07-10 · hep-ph · quant-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{IJQ2IZ7T2NAFKALB2MJU5O2EPN}

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	2026-05-17T23:40:57.353520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4261a467f3d340550161d3134ebb447b4fb1f465d3ed9062e0298b627accc96f

Aliases

arxiv: 1907.04619 · arxiv_version: 1907.04619v1 · doi: 10.48550/arxiv.1907.04619 · pith_short_12: IJQ2IZ7T2NAF · pith_short_16: IJQ2IZ7T2NAFKALB · pith_short_8: IJQ2IZ7T

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/IJQ2IZ7T2NAFKALB2MJU5O2EPN \
  | 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: 4261a467f3d340550161d3134ebb447b4fb1f465d3ed9062e0298b627accc96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a993f6bafddbd9a4ef564f846fb1acea9e9e42bc49d0f97b989ce0caf8d363",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-07-10T11:15:11Z",
    "title_canon_sha256": "dc520fae24325112fb82016e1ddfb242bfdab5fd7ff25f462cfb48b24fa4a659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04619",
    "kind": "arxiv",
    "version": 1
  }
}