Pith Number

pith:RSJQ3M2W

pith:2019:RSJQ3M2WSFCSTU45ZAZM7FW24Y

not attested not anchored not stored refs pending

The ${\gamma^* \gamma^* \to \eta_c (1S,2S)}$ transition form factors for spacelike photons

Antoni Szczurek, Izabela Babiarz, Roman Pasechnik, Victor P. Goncalves, Wolfgang Sch\"afer

arxiv:1908.07802 v1 · 2019-08-21 · 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{RSJQ3M2WSFCSTU45ZAZM7FW24Y}

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	2026-07-05T00:06:54.592564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c930db356914529d39dc832cf96dae626bae6b62fe744b6fcd996b2c0965f68

Aliases

arxiv: 1908.07802 · arxiv_version: 1908.07802v1 · doi: 10.48550/arxiv.1908.07802 · pith_short_12: RSJQ3M2WSFCS · pith_short_16: RSJQ3M2WSFCSTU45 · pith_short_8: RSJQ3M2W

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/RSJQ3M2WSFCSTU45ZAZM7FW24Y \
  | 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: 8c930db356914529d39dc832cf96dae626bae6b62fe744b6fcd996b2c0965f68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f4710fa42bce64ea04ec64586f8d0a9e846a2efa7ca484a98199cdc5f389f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-08-21T11:21:19Z",
    "title_canon_sha256": "9225881074116e7249d47921511f866590b434cf3b5e973c7aca9f17e24c80f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07802",
    "kind": "arxiv",
    "version": 1
  }
}