Pith Number

pith:E3BZGR3W

pith:2009:E3BZGR3WXLK4SSX7F3Y5LODNCW

not attested not anchored not stored refs pending

Feedback through multiple outbursts in the cluster 2A 0335+096

(2) University of New Mexico, 3) ((1) Institute of Astronomy, (3) NRAO), A.C. Fabian (1), Cambridge, G.B. Taylor (2, J.S. Sanders (1)

arxiv:0904.1374 v1 · 2009-04-08 · 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{E3BZGR3WXLK4SSX7F3Y5LODNCW}

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	2026-05-18T04:42:02.744120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26c3934776bad5c94aff2ef1d5b86d158f6369920b2fdae4c8da5f2c95314fcd

Aliases

arxiv: 0904.1374 · arxiv_version: 0904.1374v1 · doi: 10.48550/arxiv.0904.1374 · pith_short_12: E3BZGR3WXLK4 · pith_short_16: E3BZGR3WXLK4SSX7 · pith_short_8: E3BZGR3W

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/E3BZGR3WXLK4SSX7F3Y5LODNCW \
  | 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: 26c3934776bad5c94aff2ef1d5b86d158f6369920b2fdae4c8da5f2c95314fcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95382db0b1913bbb3c741140a1409a3fb7db1deb950d02731838eca0c76fa239",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-08T15:54:35Z",
    "title_canon_sha256": "c7169c4d174dc70197d34f1c1bc5e53241a5fbc081cab3087521108cf8d53fd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1374",
    "kind": "arxiv",
    "version": 1
  }
}