Pith Number

pith:MDLNIDNK

pith:2015:MDLNIDNKKVZLPVOEPZG45VZ2ZH

not attested not anchored not stored refs pending

Host Galaxy Properties and Black Hole Mass of Swift J164449.3+573451 from Multi-Wavelength Long-Term Monitoring and HST Data

Myungshin Im, Neil Gehrels, Philip Choi, Seong-Kook Lee, Soojong Pak, Takanori Sakamoto, Yiseul Jeon, Yongmin Yoon, Yuji Urata

arxiv:1507.08843 v1 · 2015-07-31 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDLNIDNKKVZLPVOEPZG45VZ2ZH}

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	2026-05-18T01:36:02.747993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60d6d40daa5572b7d5c47e4dced73ac9d222da07e1ceaa3be61be4408428a8bc

Aliases

arxiv: 1507.08843 · arxiv_version: 1507.08843v1 · doi: 10.48550/arxiv.1507.08843 · pith_short_12: MDLNIDNKKVZL · pith_short_16: MDLNIDNKKVZLPVOE · pith_short_8: MDLNIDNK

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/MDLNIDNKKVZLPVOEPZG45VZ2ZH \
  | 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: 60d6d40daa5572b7d5c47e4dced73ac9d222da07e1ceaa3be61be4408428a8bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "288cba8ffd4200398067ad20c75188a6063af81db56dd6ed53f49be726a9b382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-31T11:56:05Z",
    "title_canon_sha256": "e34ae6e7163a086cc03caebd64db97c67e909fec87d2d576ea78864c5b386d0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08843",
    "kind": "arxiv",
    "version": 1
  }
}