Pith Number

pith:3YWMVS4O

pith:2009:3YWMVS4OWYEYMZJM4XNRCYJLOM

not attested not anchored not stored refs pending

Spectral Variation of the Seyfert 1 Galaxy MCG-6-30-15 observed with Suzaku

Fuminori Tsuchihashi, Hajime Inoue, Ken Ebisawa, Piotr Zycki, Takehiro Miyakawa, Yuichi Terashima

arxiv:0910.0773 v1 · 2009-10-05 · 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{3YWMVS4OWYEYMZJM4XNRCYJLOM}

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	2026-05-18T02:11:26.656574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2ccacb8eb60986652ce5db11612b731c8c5ec5686f91b935817791a64b1fb5

Aliases

arxiv: 0910.0773 · arxiv_version: 0910.0773v1 · doi: 10.48550/arxiv.0910.0773 · pith_short_12: 3YWMVS4OWYEY · pith_short_16: 3YWMVS4OWYEYMZJM · pith_short_8: 3YWMVS4O

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/3YWMVS4OWYEYMZJM4XNRCYJLOM \
  | 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: de2ccacb8eb60986652ce5db11612b731c8c5ec5686f91b935817791a64b1fb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d89457ab4dacb6682ddd6fa8be44e31db91aa0cf665e9d83efe8575439eebc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-05T14:20:55Z",
    "title_canon_sha256": "054ac8f024d7369b451707338a8d59783a5f38b70f02ed7c4467c9ecba34228f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0773",
    "kind": "arxiv",
    "version": 1
  }
}