Pith Number

pith:OPZKANBL

pith:2025:OPZKANBLUWMQWTMRIGJGJUB6KD

not attested not anchored not stored refs pending

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

Brian Williams, Patrick Slane, Tyler Holland-Ashford, Xi Long

arxiv:2507.01084 v1 · 2025-07-01 · 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{OPZKANBLUWMQWTMRIGJGJUB6KD}

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	2026-07-05T11:30:24.991579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f2a0342ba5990b4d91419264d03e50ed4d546565d0728e2ec54ee7255fc556

Aliases

arxiv: 2507.01084 · arxiv_version: 2507.01084v1 · doi: 10.48550/arxiv.2507.01084 · pith_short_12: OPZKANBLUWMQ · pith_short_16: OPZKANBLUWMQWTMR · pith_short_8: OPZKANBL

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/OPZKANBLUWMQWTMRIGJGJUB6KD \
  | 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: 73f2a0342ba5990b4d91419264d03e50ed4d546565d0728e2ec54ee7255fc556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6bda50508fd767581705a04cfbc7b1711a54338f02659a39c1fd0a97ff53610",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-07-01T18:00:00Z",
    "title_canon_sha256": "e6051a1b5772a168000b9da4ab43011131b16eb84a019788ecc5ffafc9f5ea5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01084",
    "kind": "arxiv",
    "version": 1
  }
}