Pith Number

pith:4OAQRJSQ

pith:2010:4OAQRJSQTNXOPTV3JUJODXOVGP

not attested not anchored not stored refs pending

Twelve-hour spikes from the Crab Pevatron

C. Ferrigno, M. Balbo, P. Bordas, R. Walter

arxiv:1012.3397 v2 · 2010-12-15 · 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{4OAQRJSQTNXOPTV3JUJODXOVGP}

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	2026-05-18T02:04:24.335278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e38108a6509b6ee7cebb4d12e1ddd533c206e465f790d63428a21aecc8099293

Aliases

arxiv: 1012.3397 · arxiv_version: 1012.3397v2 · doi: 10.48550/arxiv.1012.3397 · pith_short_12: 4OAQRJSQTNXO · pith_short_16: 4OAQRJSQTNXOPTV3 · pith_short_8: 4OAQRJSQ

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/4OAQRJSQTNXOPTV3JUJODXOVGP \
  | 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: e38108a6509b6ee7cebb4d12e1ddd533c206e465f790d63428a21aecc8099293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40fae08299805d0d88de48710351fb4c3600387a98a382a8be023f0cc828066c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-12-15T17:41:09Z",
    "title_canon_sha256": "9a2ad384cde5061157fae6e1c787cbafd86eb6190b7d6a7192e80bcda535c43e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3397",
    "kind": "arxiv",
    "version": 2
  }
}