Pith Number

pith:GUCMMVO2

pith:2013:GUCMMVO2LZWUTPMFLEVEP6QLOU

not attested not anchored not stored refs pending

Simulation of ultra-high energy photon propagation with PRESHOWER 2.0

Agata Pysz, Henryk Wilczy\'nski, Piotr Homola, Ralph Engel

arxiv:1302.6939 v1 · 2013-02-27 · astro-ph.IM · 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{GUCMMVO2LZWUTPMFLEVEP6QLOU}

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	2026-05-18T03:32:18.094754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3504c655da5e6d49bd85592a47fa0b753170eef7bdb1110a8085bf605fb4a06a

Aliases

arxiv: 1302.6939 · arxiv_version: 1302.6939v1 · doi: 10.48550/arxiv.1302.6939 · pith_short_12: GUCMMVO2LZWU · pith_short_16: GUCMMVO2LZWUTPMF · pith_short_8: GUCMMVO2

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/GUCMMVO2LZWUTPMFLEVEP6QLOU \
  | 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: 3504c655da5e6d49bd85592a47fa0b753170eef7bdb1110a8085bf605fb4a06a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd6cf743dc0c109a5627786679838f9c8774531eda4c7d369bd6e46f1d6d924",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-02-27T17:50:09Z",
    "title_canon_sha256": "4228f942d95d87585ed9b81717b7c7a790c65200e02a173bc174d28692ee3efe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6939",
    "kind": "arxiv",
    "version": 1
  }
}