Pith Number

pith:R3MZ2K3M

pith:2019:R3MZ2K3MKIKMUM2E7JDXSJRHNA

not attested not anchored not stored refs pending

Distance and Evolutionary States of Supernova Remnant G18.9-1.1 and Candidate G28.6+0.0

D. Leahy, S. Ranasinghe, W. W. Tian

arxiv:1910.05407 v2 · 2019-10-11 · 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{R3MZ2K3MKIKMUM2E7JDXSJRHNA}

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.

Cited by

1 paper in Pith

Proper Motion of the Neutron Star in the Supernova Remnant G18.9-1.1

Receipt and verification

First computed	2026-07-05T00:20:32.185547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ed99d2b6c5214ca3344fa47792627683e50e45ad0dbeef6975a03ceb033279c

Aliases

arxiv: 1910.05407 · arxiv_version: 1910.05407v2 · doi: 10.48550/arxiv.1910.05407 · pith_short_12: R3MZ2K3MKIKM · pith_short_16: R3MZ2K3MKIKMUM2E · pith_short_8: R3MZ2K3M

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/R3MZ2K3MKIKMUM2E7JDXSJRHNA \
  | 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: 8ed99d2b6c5214ca3344fa47792627683e50e45ad0dbeef6975a03ceb033279c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e10b6846e83043275cae5fc07f77a7ebb2e17d8707b3dbfdbccbd44b4053fe3b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-10-11T20:53:37Z",
    "title_canon_sha256": "c640c9dcb8c3a7bb8820b74683c5ad5decef187dc8d145e933b840d91af357e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05407",
    "kind": "arxiv",
    "version": 2
  }
}