Pith Number

pith:5E563T7M

pith:2005:5E563T7MYEHPHRBD7HNRDUG5HP

not attested not anchored not stored refs pending

First Results of the 74 MHz VLA-Pie Town Link. Hercules A at Low Frequencies

A. Cohen, Nectaria A. B. Gizani, N. E. Kassim

arxiv:astro-ph/0501470 v1 · 2005-01-21 · 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{5E563T7MYEHPHRBD7HNRDUG5HP}

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	2026-07-04T16:50:40.904978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93bedcfecc10ef3c423f9db11d0dd3bc34d6b27b66514476cd41834e9076c03

Aliases

arxiv: astro-ph/0501470 · arxiv_version: astro-ph/0501470v1 · doi: 10.48550/arxiv.astro-ph/0501470 · pith_short_12: 5E563T7MYEHP · pith_short_16: 5E563T7MYEHPHRBD · pith_short_8: 5E563T7M

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/5E563T7MYEHPHRBD7HNRDUG5HP \
  | 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: e93bedcfecc10ef3c423f9db11d0dd3bc34d6b27b66514476cd41834e9076c03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2570fa537f5c7ed788afc8dc750c5ca651d49159ff5ee9dd5fc076ab7dd21842",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-21T18:48:27Z",
    "title_canon_sha256": "0d63de0e291193241f1af5ef2c073594ec736ca5ab8501243b6c8a33fd3f93bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501470",
    "kind": "arxiv",
    "version": 1
  }
}