Pith Number

pith:PUGUQMPS

pith:2009:PUGUQMPSAWM7T5QG5P5NQ3HPA4

not attested not anchored not stored refs pending

Identifying birth places of young isolated neutron stars

Gracjan Maciejewski, Markus M. Hohle, Nina Tetzlaff, Ralph Neuhaeuser

arxiv:0911.4441 v1 · 2009-11-23 · 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{PUGUQMPSAWM7T5QG5P5NQ3HPA4}

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	2026-05-18T02:10:37.397874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d0d4831f20599f9f606ebfad86cef071a08ed7838bf023e840cbcdae865151d

Aliases

arxiv: 0911.4441 · arxiv_version: 0911.4441v1 · doi: 10.48550/arxiv.0911.4441 · pith_short_12: PUGUQMPSAWM7 · pith_short_16: PUGUQMPSAWM7T5QG · pith_short_8: PUGUQMPS

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/PUGUQMPSAWM7T5QG5P5NQ3HPA4 \
  | 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: 7d0d4831f20599f9f606ebfad86cef071a08ed7838bf023e840cbcdae865151d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0efc3da6cc5ed5c73e1af15afec74dbaa226f0744ed841d486220865b07dde6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-23T16:30:27Z",
    "title_canon_sha256": "90c392acdd213e703c03f473e9e81d580715be9a541ecc605a648186404cc072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4441",
    "kind": "arxiv",
    "version": 1
  }
}