Pith Number

pith:D7I3SFLG

pith:2012:D7I3SFLGU43MGI3ELGVSEMKGCP

not attested not anchored not stored refs pending

An analytical approach to the multiply scattered light in the optical images of the extensive air showers of ultra-high energies

Andrzej Smialkowski, Maria Giller

arxiv:1201.4052 v1 · 2012-01-19 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7I3SFLGU43MGI3ELGVSEMKGCP}

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	2026-05-18T01:58:46.813026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd1b91566a736c3236459ab22314613c628f3ed43ac2c520132468170835c44

Aliases

arxiv: 1201.4052 · arxiv_version: 1201.4052v1 · doi: 10.48550/arxiv.1201.4052 · pith_short_12: D7I3SFLGU43M · pith_short_16: D7I3SFLGU43MGI3E · pith_short_8: D7I3SFLG

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/D7I3SFLGU43MGI3ELGVSEMKGCP \
  | 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: 1fd1b91566a736c3236459ab22314613c628f3ed43ac2c520132468170835c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f956e09967fb64036c5e839958d1faa680d3375721d6ee528007b601f3b2e29a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-19T13:05:01Z",
    "title_canon_sha256": "31240e1edc501a5ed9413f037630f32e288f2a0d5a34a97770d0bf0291845364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4052",
    "kind": "arxiv",
    "version": 1
  }
}