Pith Number

pith:44SN2HV3

pith:2002:44SN2HV3SENDD4IWIDMQHPJ3JT

not attested not anchored not stored refs pending

Observation of Kes 27: A Typical Mixed-Morphology SNR

Emi Miyata, Hideyuki Enoguchi, Hiroshi Tsunemi, Kumi Yoshita

arxiv:astro-ph/0204427 v1 · 2002-04-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44SN2HV3SENDD4IWIDMQHPJ3JT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:40:42.903474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e724dd1ebb911a31f11640d903bd3b4cd37c6d4ddc4b494f22ae0c9333536bcd

Aliases

arxiv: astro-ph/0204427 · arxiv_version: astro-ph/0204427v1 · doi: 10.48550/arxiv.astro-ph/0204427 · pith_short_12: 44SN2HV3SEND · pith_short_16: 44SN2HV3SENDD4IW · pith_short_8: 44SN2HV3

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/44SN2HV3SENDD4IWIDMQHPJ3JT \
  | 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: e724dd1ebb911a31f11640d903bd3b4cd37c6d4ddc4b494f22ae0c9333536bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50cd30aa1a3989ce8dc0a7e6f06150710dec284ead1a60554afce55fdc493bb3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-25T12:48:52Z",
    "title_canon_sha256": "f42988b7b24009284e1aa2a0539dbc0b42630bb05b44c293caafa3c595bdcced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204427",
    "kind": "arxiv",
    "version": 1
  }
}