Pith Number

pith:FIRZMF26

pith:2006:FIRZMF26EMCWWBPJ6BPHXWL273

not attested not anchored not stored refs pending

High frequency observations of southern pulsars

Aris Karastergiou, Kyle Willett, Simon Johnston

arxiv:astro-ph/0604404 v1 · 2006-04-19 · 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{FIRZMF26EMCWWBPJ6BPHXWL273}

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	2026-05-18T01:08:58.757831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a2396175e23056b05e9f05e7bd97afee2b1d5d79a1b8bb365fe5190b4189eda

Aliases

arxiv: astro-ph/0604404 · arxiv_version: astro-ph/0604404v1 · doi: 10.48550/arxiv.astro-ph/0604404 · pith_short_12: FIRZMF26EMCW · pith_short_16: FIRZMF26EMCWWBPJ · pith_short_8: FIRZMF26

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/FIRZMF26EMCWWBPJ6BPHXWL273 \
  | 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: 2a2396175e23056b05e9f05e7bd97afee2b1d5d79a1b8bb365fe5190b4189eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a7eae0d48a68fa9fa70c4eec3b81e328ce507b66f5b6753ecc10f763d063b85",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-19T10:21:03Z",
    "title_canon_sha256": "80c8dba28341afd752ef3e9f0d5fccd02b4def3861eb085a65ac3de91c95d896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604404",
    "kind": "arxiv",
    "version": 1
  }
}