Pith Number

pith:AR6BWH6F

pith:2018:AR6BWH6FLUVDFN3MMKXSOPRQS4

not attested not anchored not stored refs pending

The Origin of Recombining Plasma and the Detection of the Fe-K Line in the Supernova Remnant W28

Hideaki Matsumura, Hiromichi Okon, Hiroyuki Uchida, Takaaki Tanaka, Takeshi Go Tsuru

arxiv:1802.02814 v1 · 2018-02-08 · 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{AR6BWH6FLUVDFN3MMKXSOPRQS4}

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	2026-05-18T00:19:21.138095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

047c1b1fc55d2a32b76c62af273e30971742a1f5184dc99692e4711ebaf67331

Aliases

arxiv: 1802.02814 · arxiv_version: 1802.02814v1 · doi: 10.48550/arxiv.1802.02814 · pith_short_12: AR6BWH6FLUVD · pith_short_16: AR6BWH6FLUVDFN3M · pith_short_8: AR6BWH6F

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/AR6BWH6FLUVDFN3MMKXSOPRQS4 \
  | 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: 047c1b1fc55d2a32b76c62af273e30971742a1f5184dc99692e4711ebaf67331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb312338cf57ad77fb8fb77a0d3f1574881c02315c5e0f508ae5123323bee8ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-08T11:51:42Z",
    "title_canon_sha256": "69aba5ce58496d994eaa76bd30048fe4f8a7c1796caeccf354c69a25bb585f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02814",
    "kind": "arxiv",
    "version": 1
  }
}