Pith Number

pith:MP3XIYMA

pith:2012:MP3XIYMAGP2Q7QKRKT3VQASXEK

not attested not anchored not stored refs pending

Angular distribution of high-energy $e^+e^-$ photoproduction close to the end of spectrum

A. Di Piazza, A. I. Milstein

arxiv:1203.2137 v1 · 2012-03-09 · physics.atom-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{MP3XIYMAGP2Q7QKRKT3VQASXEK}

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	2026-05-18T01:58:10.603966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63f774618033f50fc15154f758025722adee63e0925fcebecc5714dd5a6faa5f

Aliases

arxiv: 1203.2137 · arxiv_version: 1203.2137v1 · doi: 10.48550/arxiv.1203.2137 · pith_short_12: MP3XIYMAGP2Q · pith_short_16: MP3XIYMAGP2Q7QKR · pith_short_8: MP3XIYMA

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/MP3XIYMAGP2Q7QKRKT3VQASXEK \
  | 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: 63f774618033f50fc15154f758025722adee63e0925fcebecc5714dd5a6faa5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50e428cf3a676f05dc445c752a28fc05fa40c67455dda713c14817eafc1021c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-03-09T17:04:42Z",
    "title_canon_sha256": "a9108b671a57d5bc3622fe97f85e944bada785bec394ac9079ef99e97de7f775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2137",
    "kind": "arxiv",
    "version": 1
  }
}