Pith Number

pith:NNWI32WY

pith:2018:NNWI32WYDK72BN5CE4WZ4YA4MW

not attested not anchored not stored refs pending

Comment on "$\eta_c$ production in photon-induced interactions at the LHC"

Spencer R. Klein

arxiv:1808.08253 v1 · 2018-08-24 · 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{NNWI32WYDK72BN5CE4WZ4YA4MW}

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	2026-05-17T23:58:04.076189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b6c8dead81abfa0b7a2272d9e601c65a1b48b87d5174dd7c12dea12e2af2f91

Aliases

arxiv: 1808.08253 · arxiv_version: 1808.08253v1 · doi: 10.48550/arxiv.1808.08253 · pith_short_12: NNWI32WYDK72 · pith_short_16: NNWI32WYDK72BN5C · pith_short_8: NNWI32WY

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/NNWI32WYDK72BN5CE4WZ4YA4MW \
  | 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: 6b6c8dead81abfa0b7a2272d9e601c65a1b48b87d5174dd7c12dea12e2af2f91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b29b93e5a4779c7d7f863a3759a50deec19ced881175857fb644ed02508461ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-08-24T18:17:07Z",
    "title_canon_sha256": "305faead35a10da714b2fda984a5efcc3ee029a18231f1b1b4aee4f41d45bb55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08253",
    "kind": "arxiv",
    "version": 1
  }
}