Pith Number

pith:NBB4WJUM

pith:2009:NBB4WJUMOTQV53WSDXSF5ZR56J

not attested not anchored not stored refs pending

Measurement of isolated photon production in deep inelastic ep scattering

ZEUS Collaboration

arxiv:0909.4223 v2 · 2009-09-23 · 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{NBB4WJUMOTQV53WSDXSF5ZR56J}

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	2026-05-18T03:48:02.239282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6843cb268c74e15eeed21de45ee63df26cbaf2c916d4a64507b69079406e836f

Aliases

arxiv: 0909.4223 · arxiv_version: 0909.4223v2 · doi: 10.48550/arxiv.0909.4223 · pith_short_12: NBB4WJUMOTQV · pith_short_16: NBB4WJUMOTQV53WS · pith_short_8: NBB4WJUM

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/NBB4WJUMOTQV53WSDXSF5ZR56J \
  | 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: 6843cb268c74e15eeed21de45ee63df26cbaf2c916d4a64507b69079406e836f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da23ed167e7483847abf3b6ceb4fb7bbe8ecc1ba41a084cb474c60ee2819457c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2009-09-23T15:24:35Z",
    "title_canon_sha256": "c53c188804a41880441196e276e37c1971f97d48562cb5e769e5d8deddaf41be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4223",
    "kind": "arxiv",
    "version": 2
  }
}