Pith Number

pith:7S2N5N4E

pith:2012:7S2N5N4EAIB6KUMVEHQ3SO4FYG

not attested not anchored not stored refs pending

Suzaku View of the Supernova Remnant RCW 86: X-Ray Studies of Newly-Discovered Fe-Rich Ejecta

Hiroya Yamaguchi, Hiroyuki Uchida, Katsuji Koyama

arxiv:1202.1594 v1 · 2012-02-08 · 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{7S2N5N4EAIB6KUMVEHQ3SO4FYG}

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	2026-05-18T00:16:34.335708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb4deb7840203e5519521e1b93b85c1b77bc67230fd5d1a6009e47481166443

Aliases

arxiv: 1202.1594 · arxiv_version: 1202.1594v1 · doi: 10.48550/arxiv.1202.1594 · pith_short_12: 7S2N5N4EAIB6 · pith_short_16: 7S2N5N4EAIB6KUMV · pith_short_8: 7S2N5N4E

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/7S2N5N4EAIB6KUMVEHQ3SO4FYG \
  | 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: fcb4deb7840203e5519521e1b93b85c1b77bc67230fd5d1a6009e47481166443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d0e3e5e8f8cc6211b0209c6f3acbd23b85537d9490e424307f6a0a2ff5337f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-08T03:52:43Z",
    "title_canon_sha256": "5b9830378dc02db8f890f2b58361256712af595cdea00da81c45ef8c1be7335f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1594",
    "kind": "arxiv",
    "version": 1
  }
}