Pith Number

pith:7ZEW2B26

pith:2019:7ZEW2B265IBMBKHS3FGS3JKPYT

not attested not anchored not stored refs pending

The Distance Measurements of Supernova Remnants in The Fourth Galactic Quadrant

Ai-Yuan Yang, Hai-Yan Zhang, Hui Zhu, Meng-Fei Zhang, Su-Su Shan, Wen-Wu Tian

arxiv:1901.02882 v1 · 2019-01-09 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZEW2B265IBMBKHS3FGS3JKPYT}

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	2026-05-17T23:39:55.356827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe496d075eea02c0a8f2d94d2da54fc4ca86c317b0975c1b5a8fce83f0e1e00a

Aliases

arxiv: 1901.02882 · arxiv_version: 1901.02882v1 · doi: 10.48550/arxiv.1901.02882 · pith_short_12: 7ZEW2B265IBM · pith_short_16: 7ZEW2B265IBMBKHS · pith_short_8: 7ZEW2B26

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/7ZEW2B265IBMBKHS3FGS3JKPYT \
  | 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: fe496d075eea02c0a8f2d94d2da54fc4ca86c317b0975c1b5a8fce83f0e1e00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ffbea447955fe8acab0c5517b2d63a9e14c7ea518c3530317098f939c71b4e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-09T08:41:49Z",
    "title_canon_sha256": "2dabd1cc3e5970e48cf6aa4488328b1bb17848b0abc462f76b318e9b42efd33f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02882",
    "kind": "arxiv",
    "version": 1
  }
}