Pith Number

pith:S6LMYGWE

pith:2005:S6LMYGWECLE6MNVQFOLG4PDWSX

not attested not anchored not stored refs pending

Measurement of charm fragmentation ratios and fractions in photoproduction at HERA

ZEUS Collaboration

arxiv:hep-ex/0508019 v2 · 2005-08-09 · hep-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{S6LMYGWECLE6MNVQFOLG4PDWSX}

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	2026-05-18T03:47:30.363739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9796cc1ac412c9e636b02b966e3c7695ee01a18908489c9a2b193a6becc67b2e

Aliases

arxiv: hep-ex/0508019 · arxiv_version: hep-ex/0508019v2 · doi: 10.48550/arxiv.hep-ex/0508019 · pith_short_12: S6LMYGWECLE6 · pith_short_16: S6LMYGWECLE6MNVQ · pith_short_8: S6LMYGWE

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/S6LMYGWECLE6MNVQFOLG4PDWSX \
  | 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: 9796cc1ac412c9e636b02b966e3c7695ee01a18908489c9a2b193a6becc67b2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2414204036510211d72768189bf390d94d46b89ff4fbc58082d2a46688f45aff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2005-08-09T13:47:21Z",
    "title_canon_sha256": "d92773d82715337ceb97644464ead4428cec948733e840a029b384c2adfdb2cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0508019",
    "kind": "arxiv",
    "version": 2
  }
}