Pith Number

pith:2TC2TSS5

pith:2015:2TC2TSS5V36JBULL3IEP45YSUF

not attested not anchored not stored refs pending

Massive black hole and gas dynamics in mergers of galaxy nuclei - II. Black hole sinking in star-forming nuclear discs

Alessandro Lupi, Francesco Haardt, Massimo Dotti, Monica Colpi

arxiv:1509.02920 v1 · 2015-09-09 · 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{2TC2TSS5V36JBULL3IEP45YSUF}

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	2026-05-18T01:32:26.550460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4c5a9ca5daefc90d16bda08fe7712a16c5e53a6bc489d2268e54ec8b30e843f

Aliases

arxiv: 1509.02920 · arxiv_version: 1509.02920v1 · doi: 10.48550/arxiv.1509.02920 · pith_short_12: 2TC2TSS5V36J · pith_short_16: 2TC2TSS5V36JBULL · pith_short_8: 2TC2TSS5

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/2TC2TSS5V36JBULL3IEP45YSUF \
  | 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: d4c5a9ca5daefc90d16bda08fe7712a16c5e53a6bc489d2268e54ec8b30e843f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c9853b44d67f57782d31de145aeaeebec651b6b57ebb0fdca8ebe8396defadf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-09T20:13:56Z",
    "title_canon_sha256": "efb0f491606bd3ad8feccd36ecf13b92303f39d79276c3b6d95cdc0071d660b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02920",
    "kind": "arxiv",
    "version": 1
  }
}