Pith Number

pith:ONUFF35H

pith:2009:ONUFF35HC6KV4WPZXCKHHUORNL

not attested not anchored not stored refs pending

Theoretical Derivation of $\Sigma$-$D$ Relation of Galactic SNRs

Hui-Rong Zhang, Jian-Wen Xu, Ya-Peng Hu

arxiv:0909.0137 v2 · 2009-09-01 · 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{ONUFF35HC6KV4WPZXCKHHUORNL}

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	2026-05-18T02:44:55.429905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

736852efa717955e59f9b89473d1d16ad946947e1de30a44b6c0cba590a8c79b

Aliases

arxiv: 0909.0137 · arxiv_version: 0909.0137v2 · doi: 10.48550/arxiv.0909.0137 · pith_short_12: ONUFF35HC6KV · pith_short_16: ONUFF35HC6KV4WPZ · pith_short_8: ONUFF35H

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/ONUFF35HC6KV4WPZXCKHHUORNL \
  | 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: 736852efa717955e59f9b89473d1d16ad946947e1de30a44b6c0cba590a8c79b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ed79c2835bc740323b46384fb93c179de5809e2f35afe56ac0217b0b7e8695",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-01T09:46:08Z",
    "title_canon_sha256": "9d5d973441e53ecd75c3af988abf35f1ce7a9b4af0a9c4336c3358f7fb79c7b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0137",
    "kind": "arxiv",
    "version": 2
  }
}