Pith Number

pith:3WSYZP6Q

pith:2009:3WSYZP6QZAHOV7U3BJRJND4TGJ

not attested not anchored not stored refs pending

The parsec-scale properties of the radio galaxy 4C 26.42 in the dense cooling core cluster A1795

E. Liuzzo, G. B. Taylor, G. Giovannini, M. Giroletti

arxiv:0905.3453 v1 · 2009-05-21 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WSYZP6QZAHOV7U3BJRJND4TGJ}

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	2026-05-18T02:13:38.230623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda58cbfd0c80eeafe9b0a62968f933270d41ded73625da0132d1a1f52138e76

Aliases

arxiv: 0905.3453 · arxiv_version: 0905.3453v1 · doi: 10.48550/arxiv.0905.3453 · pith_short_12: 3WSYZP6QZAHO · pith_short_16: 3WSYZP6QZAHOV7U3 · pith_short_8: 3WSYZP6Q

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/3WSYZP6QZAHOV7U3BJRJND4TGJ \
  | 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: dda58cbfd0c80eeafe9b0a62968f933270d41ded73625da0132d1a1f52138e76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eae39ddecdfb5703a15b07dbe6fb4eebf96e9d21b5a3ab8d80a48e7e7e2b540d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-21T08:08:53Z",
    "title_canon_sha256": "aa156386740aa7a3175aa64d5549755ac6c49c109388b85d7905c188e73f2304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3453",
    "kind": "arxiv",
    "version": 1
  }
}