Pith Number

pith:YECSWEM2

pith:2008:YECSWEM2NXP6HLNSS2J22LZCKG

not attested not anchored not stored refs pending

On the Discovery of the GZK Cut-off

Tadeusz Wibig

arxiv:0805.4069 v1 · 2008-05-27 · hep-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{YECSWEM2NXP6HLNSS2J22LZCKG}

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	2026-05-18T04:37:23.012081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1052b119a6ddfe3adb29693ad2f225189aee747777eb181b18490a0af135865

Aliases

arxiv: 0805.4069 · arxiv_version: 0805.4069v1 · doi: 10.48550/arxiv.0805.4069 · pith_short_12: YECSWEM2NXP6 · pith_short_16: YECSWEM2NXP6HLNS · pith_short_8: YECSWEM2

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/YECSWEM2NXP6HLNSS2J22LZCKG \
  | 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: c1052b119a6ddfe3adb29693ad2f225189aee747777eb181b18490a0af135865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b803271a7e504e3e6a1e7a69eb0fef169351bb0989e5a39c0d8e36a296bbac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-05-27T08:22:39Z",
    "title_canon_sha256": "23f83c33c04e6caeb9dd6defdef43c3b26c2f3120c6200e4c5db6c0a4fc2a48f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4069",
    "kind": "arxiv",
    "version": 1
  }
}