Pith Number

pith:4E4W5GPM

pith:2009:4E4W5GPML7F4AYWTMSTXTMXTJR

not attested not anchored not stored refs pending

Some properties of synchrotron radio and inverse-Compton gamma-ray images of supernova remnants

F. Bocchino, O. Petruk, S. Orlando, V. Beshley

arxiv:0901.4258 v1 · 2009-01-27 · 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{4E4W5GPML7F4AYWTMSTXTMXTJR}

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	2026-07-04T17:14:18.420337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1396e99ec5fcbc062d364a779b2f34c49578b93abcda25a169ecb8e3ddce442

Aliases

arxiv: 0901.4258 · arxiv_version: 0901.4258v1 · doi: 10.48550/arxiv.0901.4258 · pith_short_12: 4E4W5GPML7F4 · pith_short_16: 4E4W5GPML7F4AYWT · pith_short_8: 4E4W5GPM

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/4E4W5GPML7F4AYWTMSTXTMXTJR \
  | 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: e1396e99ec5fcbc062d364a779b2f34c49578b93abcda25a169ecb8e3ddce442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c0d6294e4004fc6bef610eb81ca0636876676a662ea105a633cd51083bf7d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-01-27T14:26:16Z",
    "title_canon_sha256": "837fafd0be7c3d590daaccdc5e0a01de7e1f15e7453f086c7a1533f5df6300ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4258",
    "kind": "arxiv",
    "version": 1
  }
}