Pith Number

pith:ASB37FTR

pith:2009:ASB37FTRVPIBM7SGFIJNZILTC2

not attested not anchored not stored refs pending

The origin of the Guitar pulsar

Markus M. Hohle, Nina Tetzlaff, Ralph Neuhaeuser

arxiv:0910.4453 v1 · 2009-10-23 · 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{ASB37FTRVPIBM7SGFIJNZILTC2}

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	2026-05-18T02:11:12.294458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0483bf9671abd0167e462a12dca17316947108ac32f85bc67d7f8c890adaa740

Aliases

arxiv: 0910.4453 · arxiv_version: 0910.4453v1 · doi: 10.48550/arxiv.0910.4453 · pith_short_12: ASB37FTRVPIB · pith_short_16: ASB37FTRVPIBM7SG · pith_short_8: ASB37FTR

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/ASB37FTRVPIBM7SGFIJNZILTC2 \
  | 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: 0483bf9671abd0167e462a12dca17316947108ac32f85bc67d7f8c890adaa740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "452efc951327dbdf3dfcecf663fa5c8da59797cd678865797c48ed3e6c52cfaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-23T07:25:07Z",
    "title_canon_sha256": "ed4b385e022c11dea8bffea777a25fae63b03f69f1810a8cfbbf8cbc90acaac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4453",
    "kind": "arxiv",
    "version": 1
  }
}