Pith Number

pith:MFWP3A3K

pith:2022:MFWP3A3KA4XOHLTHAUG3LPQIYH

not attested not anchored not stored refs pending

An Expanding Shell of Neutral Hydrogen Associated with SN 1006: Hints for the Single-Degenerate Origin and Faint Hadronic Gamma-Rays

G. Rowell, H. Sano, H. Yamaguchi, K. Tachihara, M. Aruga, M. D. Filipovic, Y. Fukui

arxiv:2205.13712 v1 · 2022-05-27 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFWP3A3KA4XOHLTHAUG3LPQIYH}

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	2026-07-05T04:41:42.387732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

616cfd836a072ee3ae67050db5be08c1d775039336534f80e01913c68a352146

Aliases

arxiv: 2205.13712 · arxiv_version: 2205.13712v1 · doi: 10.48550/arxiv.2205.13712 · pith_short_12: MFWP3A3KA4XO · pith_short_16: MFWP3A3KA4XOHLTH · pith_short_8: MFWP3A3K

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/MFWP3A3KA4XOHLTHAUG3LPQIYH \
  | 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: 616cfd836a072ee3ae67050db5be08c1d775039336534f80e01913c68a352146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb584c92f2cc2a06b667aabd8a97e7f9815cf60f9cb4634dcf6e2ab02909a99",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-27T02:13:56Z",
    "title_canon_sha256": "9b8ac0c97c498259c940b889027f838f15c4dad93ab0a4a646135e0d27baf215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.13712",
    "kind": "arxiv",
    "version": 1
  }
}