Pith Number

pith:RF5GBOXH

pith:2010:RF5GBOXHTS7OWIZ34DKZJUG2FE

not attested not anchored not stored refs pending

The First VLBI Image of the Young, Oxygen-Rich Supernova Remnant in NGC 4449

D. Milisavljevic, M. F. Bietenholz, N. Bartel, P. Challis, R. A. Fesen, R. P. Kirshner

arxiv:1007.3953 v1 · 2010-07-22 · 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{RF5GBOXHTS7OWIZ34DKZJUG2FE}

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	2026-05-18T02:06:11.494927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

897a60bae79cbeeb233be0d594d0da2910b95648b50e714551be0f517180a18d

Aliases

arxiv: 1007.3953 · arxiv_version: 1007.3953v1 · doi: 10.48550/arxiv.1007.3953 · pith_short_12: RF5GBOXHTS7O · pith_short_16: RF5GBOXHTS7OWIZ3 · pith_short_8: RF5GBOXH

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/RF5GBOXHTS7OWIZ34DKZJUG2FE \
  | 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: 897a60bae79cbeeb233be0d594d0da2910b95648b50e714551be0f517180a18d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df4982b08c300a2b82031781003fa4e9b844e1b3ca8b4cb8138e5c5caa2f612d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-07-22T17:46:46Z",
    "title_canon_sha256": "2abd2b154e171794b56e87f0e49ff154cdf6e8277791ab19a5f5adb9fca4f0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3953",
    "kind": "arxiv",
    "version": 1
  }
}