Pith Number

pith:RU3JTPFH

pith:2017:RU3JTPFHGO5BJST6SCQZJXEU2D

not attested not anchored not stored refs pending

Multi-Year X-ray Variations of Iron-K and Continuum Emissions in the Young Supernova Remnant Cassiopeia A

Aya Bamba, Hironori Matsumoto, John P. Hughes, Kuniaki Masai, Makoto Sawada, Manabu Ishida, Ryo Yamazaki, Satoru Katsuda, Toshiki Sato, Yoshitomo Maeda, Yukikatsu Terada, Yutaka Ohira

arxiv:1701.07905 v1 · 2017-01-26 · 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{RU3JTPFHGO5BJST6SCQZJXEU2D}

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	2026-05-18T00:49:09.480569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d3699bca733ba14ca7e90a194dc94d0dbc6c9081dd9663cacca05187ec23add

Aliases

arxiv: 1701.07905 · arxiv_version: 1701.07905v1 · doi: 10.48550/arxiv.1701.07905 · pith_short_12: RU3JTPFHGO5B · pith_short_16: RU3JTPFHGO5BJST6 · pith_short_8: RU3JTPFH

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/RU3JTPFHGO5BJST6SCQZJXEU2D \
  | 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: 8d3699bca733ba14ca7e90a194dc94d0dbc6c9081dd9663cacca05187ec23add

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a816a7b75cd7e7f93b5a0e953cf818bffcb9e22ab737a1bc485ab335c3aa48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-01-26T23:58:00Z",
    "title_canon_sha256": "2c0f1b0da4836c25c3ad4a1bbcc96bb7de0f9811ec55e3843e14124a1127748c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07905",
    "kind": "arxiv",
    "version": 1
  }
}