Pith Number

pith:AZ7PPG3U

pith:1999:AZ7PPG3USPOOE5P44KCOX7TUKZ

not attested not anchored not stored refs pending

The Isolated Photon Cross Section in p pbar Collisions at sqrt(s) = 1.8 TeV

D0 Collaboration: B. Abbott, et al

arxiv:hep-ex/9912017 v1 · 1999-12-07 · 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{AZ7PPG3USPOOE5P44KCOX7TUKZ}

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	2026-05-18T03:49:33.219984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

067ef79b7493dce275fce284ebfe74564c54bcabfc8d677098595f47e8e405c1

Aliases

arxiv: hep-ex/9912017 · arxiv_version: hep-ex/9912017v1 · doi: 10.48550/arxiv.hep-ex/9912017 · pith_short_12: AZ7PPG3USPOO · pith_short_16: AZ7PPG3USPOOE5P4 · pith_short_8: AZ7PPG3U

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/AZ7PPG3USPOOE5P44KCOX7TUKZ \
  | 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: 067ef79b7493dce275fce284ebfe74564c54bcabfc8d677098595f47e8e405c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "136a281fa02c1a1c0d9e156d726cec8c6d20529914d8724850b09773f1fc7cec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "1999-12-07T22:00:58Z",
    "title_canon_sha256": "40ad2ed641950321e5c6f01284a6c0f0f0f8a8849af73b331859049a3716b451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/9912017",
    "kind": "arxiv",
    "version": 1
  }
}