Pith Number

pith:7EPYV4AQ

pith:2018:7EPYV4AQNXOG4EZJXKEYGYTWBM

not attested not anchored not stored refs pending

Theoretical analysis of the $\gamma\gamma^{(*)} \to \pi^0\eta$ process

Igor Danilkin, Marc Vanderhaeghen, Oleksandra Deineka

arxiv:1808.04117 v1 · 2018-08-13 · 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{7EPYV4AQNXOG4EZJXKEYGYTWBM}

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	2026-05-17T23:53:29.429570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91f8af0106ddc6e1329ba898362760b041c5f9afece0518a0b1894db3b5b788

Aliases

arxiv: 1808.04117 · arxiv_version: 1808.04117v1 · doi: 10.48550/arxiv.1808.04117 · pith_short_12: 7EPYV4AQNXOG · pith_short_16: 7EPYV4AQNXOG4EZJ · pith_short_8: 7EPYV4AQ

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/7EPYV4AQNXOG4EZJXKEYGYTWBM \
  | 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: f91f8af0106ddc6e1329ba898362760b041c5f9afece0518a0b1894db3b5b788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef781e19a45c62e49f0537ede7906c8f8aa32f77fe38a867c8337331e2272ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-08-13T09:22:14Z",
    "title_canon_sha256": "c5b249d26e56c4cedf6aaf75469f7fdc3df4ef4c46b5c850fb89df94164671f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04117",
    "kind": "arxiv",
    "version": 1
  }
}