Pith Number

pith:PGJPEZ5Y

pith:2009:PGJPEZ5YINT6PBJROUZIV5D6PL

not attested not anchored not stored refs pending

Suzaku X-Ray Imaging and Spectroscopy of Cassiopeia A

A. Bamba, E. A. Helder, E. Miyata, H. Kosugi, H. Matsumoto, H. Tsunemi, J. Hiraga, J. P. Hughes, J. Vink, K. Someya, K. Tamura, K. Totsuka, M. Ishida, M. Kokubun, N. Kodaka, R. Nakamura, R. Petre, S. Okada, S. S. Holt, T. Kamae, T. Kouzu, T. Takahashi, T. Tamagawa, Y. Ezoe, Y. Fukazawa, Y. Maeda, Y. Terada, Y. Tsuboi, Y. Uchiyama

arxiv:0912.5020 v1 · 2009-12-26 · 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{PGJPEZ5YINT6PBJROUZIV5D6PL}

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	2026-05-18T02:10:13.657018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7992f267b84367e7853175328af47e7ac6a476136347b2752a5ed43b3828ab98

Aliases

arxiv: 0912.5020 · arxiv_version: 0912.5020v1 · doi: 10.48550/arxiv.0912.5020 · pith_short_12: PGJPEZ5YINT6 · pith_short_16: PGJPEZ5YINT6PBJR · pith_short_8: PGJPEZ5Y

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/PGJPEZ5YINT6PBJROUZIV5D6PL \
  | 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: 7992f267b84367e7853175328af47e7ac6a476136347b2752a5ed43b3828ab98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4450e60a7a17db3201ecbc78dbc1fcb0f83ba3b655e1c15d946fcf4b15029db8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-26T14:31:22Z",
    "title_canon_sha256": "d96d94db5c7afb0717690414118e57f803290771e3c7167c3ee231c076836216"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5020",
    "kind": "arxiv",
    "version": 1
  }
}