Pith Number

pith:IFMAY6TS

pith:2012:IFMAY6TSCV6OZJGOKHUQYOUNMM

not attested not anchored not stored refs pending

Suzaku reveals X-ray continuum piercing the nuclear absorber in Markarian 231

C. Feruglio, E. Piconcelli, F. Fiore, G. Miniutti, P. Ranalli, R. Maiolino

arxiv:1209.1278 v2 · 2012-09-06 · astro-ph.HE · 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{IFMAY6TSCV6OZJGOKHUQYOUNMM}

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	2026-05-18T01:54:39.336656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41580c7a72157ceca4ce51e90c3a8d633bb356d4441f1b55ee7e38a1539d6641

Aliases

arxiv: 1209.1278 · arxiv_version: 1209.1278v2 · doi: 10.48550/arxiv.1209.1278 · pith_short_12: IFMAY6TSCV6O · pith_short_16: IFMAY6TSCV6OZJGO · pith_short_8: IFMAY6TS

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/IFMAY6TSCV6OZJGOKHUQYOUNMM \
  | 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: 41580c7a72157ceca4ce51e90c3a8d633bb356d4441f1b55ee7e38a1539d6641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06ab310dfb56088651e766585be6687a76aa3a9a4c95f89ff2b0de27064fe856",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-09-06T13:40:14Z",
    "title_canon_sha256": "581e7f3186161a1f7a8c9f2c04c4224748a48388b20fff3b503f13914ba327fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1278",
    "kind": "arxiv",
    "version": 2
  }
}