Pith Number

pith:H7OGXRTN

pith:2010:H7OGXRTNY3S56J24SY26J2O5WM

not attested not anchored not stored refs pending

Suzaku Observation of the Brightest Broad-Line Radio Galaxy 4C 50.55 (IGR J 21247+5058)

Fumie Tazaki, Naoki Isobe, Richard F. Mushotzky, Satoshi Eguchi, Yoshihiro Ueda, Yuichi Terashima, Yukiko Ishino

arxiv:1008.0722 v1 · 2010-08-04 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7OGXRTNY3S56J24SY26J2O5WM}

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	2026-05-18T02:05:59.514983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fdc6bc66dc6e5df275c9635e4e9ddb31b2fdcce03c1ef1ddd24870ea3a4d45c

Aliases

arxiv: 1008.0722 · arxiv_version: 1008.0722v1 · doi: 10.48550/arxiv.1008.0722 · pith_short_12: H7OGXRTNY3S5 · pith_short_16: H7OGXRTNY3S56J24 · pith_short_8: H7OGXRTN

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/H7OGXRTNY3S56J24SY26J2O5WM \
  | 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: 3fdc6bc66dc6e5df275c9635e4e9ddb31b2fdcce03c1ef1ddd24870ea3a4d45c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fd3e41b7a7235bfe90e32ea841acb8a152e1785cdd2fe00e960ea0ba3c44125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-08-04T09:18:17Z",
    "title_canon_sha256": "8242f53a89ba0314a8edc154a994253d3b3707d490ee6cfe8f39246e48e37d60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0722",
    "kind": "arxiv",
    "version": 1
  }
}