Pith Number

pith:VG4UXNVM

pith:1999:VG4UXNVM7AAEPJB4LTBZJE5ESQ

not attested not anchored not stored refs pending

SNR G320.4-01.2 and PSR B1509-58: New radio observations of a complex interacting system

A. J. Green, B. M. Gaensler, K. T. S. Brazier, R. N. Manchester, S. Johnston

arxiv:astro-ph/9901262 v1 · 1999-01-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VG4UXNVM7AAEPJB4LTBZJE5ESQ}

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	2026-07-04T16:10:37.890173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9b94bb6acf80047a43c5cc39493a49438e9c3cbe7709c622a0c346c69346627

Aliases

arxiv: astro-ph/9901262 · arxiv_version: astro-ph/9901262v1 · doi: 10.48550/arxiv.astro-ph/9901262 · pith_short_12: VG4UXNVM7AAE · pith_short_16: VG4UXNVM7AAEPJB4 · pith_short_8: VG4UXNVM

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/VG4UXNVM7AAEPJB4LTBZJE5ESQ \
  | 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: a9b94bb6acf80047a43c5cc39493a49438e9c3cbe7709c622a0c346c69346627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34a3cf0fe53bf1607ceddc7dbf46ec5c10227691ca62246d950ee41dc4d4a00d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-20T07:58:35Z",
    "title_canon_sha256": "f4d3d81432e06b83b4c402838285c165f9ee35e793259435ae7f2ea882fc28e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901262",
    "kind": "arxiv",
    "version": 1
  }
}