Pith Number

pith:ESWT5AAK

pith:2009:ESWT5AAKHNOLKEUKRD4QKAARUO

not attested not anchored not stored refs pending

A Deep Chandra Observation of the Oxygen-Rich Supernova Remnant 0540-69.3 in the Large Magellanic Cloud

David N. Burrows (Penn State), John P. Highes (Rutgers), Koji Mori (Miyazaki), Patrick O. Slane (CfA), Sangwook Park (Penn State)

arxiv:0912.5177 v1 · 2009-12-28 · 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{ESWT5AAKHNOLKEUKRD4QKAARUO}

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	2026-05-18T02:10:13.458425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24ad3e800a3b5cb5128a88f9050011a3a2b367c1a4c57dab81aabe62b6010c0c

Aliases

arxiv: 0912.5177 · arxiv_version: 0912.5177v1 · doi: 10.48550/arxiv.0912.5177 · pith_short_12: ESWT5AAKHNOL · pith_short_16: ESWT5AAKHNOLKEUK · pith_short_8: ESWT5AAK

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/ESWT5AAKHNOLKEUKRD4QKAARUO \
  | 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: 24ad3e800a3b5cb5128a88f9050011a3a2b367c1a4c57dab81aabe62b6010c0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e11a23e597791b387b74bffd84be8e0c4dd90b89ab0e70ec96e39b8eef051460",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-28T14:57:28Z",
    "title_canon_sha256": "b3b35740eee38573e79d9ff0979ea054280081946b0740793eb2767bec694596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5177",
    "kind": "arxiv",
    "version": 1
  }
}