Pith Number

pith:NGROHAI7

pith:2008:NGROHAI7WCGIZJE4I5IOERUQA3

not attested not anchored not stored refs pending

On the escape of particles from cosmic ray modified shocks

(2) INAF-Osservatorio Astrofisico di Arcetri, 3), (3) Fermilab, Batavia, Center for Particle Astrophysics, D. Caprioli (1), E. Amato (2) ((1) SNS, Firenze, IL, Italy, P. Blasi (2, Pisa, Scuola Normale Superiore, USA)

arxiv:0807.4259 v2 · 2008-07-26 · astro-ph

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

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	2026-05-18T02:15:44.474816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69a2e3811fb08c8ca49c4750e2469006df76a13d07c08df91b78848075383550

Aliases

arxiv: 0807.4259 · arxiv_version: 0807.4259v2 · doi: 10.48550/arxiv.0807.4259 · pith_short_12: NGROHAI7WCGI · pith_short_16: NGROHAI7WCGIZJE4 · pith_short_8: NGROHAI7

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/NGROHAI7WCGIZJE4I5IOERUQA3 \
  | 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: 69a2e3811fb08c8ca49c4750e2469006df76a13d07c08df91b78848075383550

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53b87af67894cfcee2b8b364d7d905a98b9d4d0f3ae4fb4917c1a103c9397998",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-26T21:48:44Z",
    "title_canon_sha256": "c379c8d608988af9c38c9c165994ef328c8d9ba5ba6c1dde014a3f850fbb2993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4259",
    "kind": "arxiv",
    "version": 2
  }
}