Pith Number

pith:Z7OQ7MEU

pith:2011:Z7OQ7MEUWQF36BJB775EU4PMVR

not attested not anchored not stored refs pending

The faint "heartbeats" of IGR J17091-3624: an exceptional black-hole candidate

D. Altamirano, H. Krimm, H. Stiele, M. Kalamkar, M. Linares, M. van der Klis, P. A. Curran, P. Casella, R. Wijnands, S. Motta, T. Belloni, T. Munoz-Darias

arxiv:1112.2393 v1 · 2011-12-11 · 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{Z7OQ7MEUWQF36BJB775EU4PMVR}

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	2026-05-18T04:06:34.555619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfdd0fb094b40bbf0521fffa4a71ecac52776ae26e58d9801dc0d280a6cb7202

Aliases

arxiv: 1112.2393 · arxiv_version: 1112.2393v1 · doi: 10.48550/arxiv.1112.2393 · pith_short_12: Z7OQ7MEUWQF3 · pith_short_16: Z7OQ7MEUWQF36BJB · pith_short_8: Z7OQ7MEU

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/Z7OQ7MEUWQF36BJB775EU4PMVR \
  | 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: cfdd0fb094b40bbf0521fffa4a71ecac52776ae26e58d9801dc0d280a6cb7202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a49bb5d85aed207c75197611f10cb43fd62b2ce96a2d1a1cd6a07478f1e4bd95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-11T20:26:06Z",
    "title_canon_sha256": "eda105339768d9766acc06fb9682feda86c4aa9f6328b0b359b7565e17492948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2393",
    "kind": "arxiv",
    "version": 1
  }
}