Pith Number

pith:7DX3NMDM

pith:2017:7DX3NMDMW6RIYGIP6LORBLKUZ6

not attested not anchored not stored refs pending

Rapid formation of black holes in galaxies: a self-limiting growth mechanism

(2) Steward Observatory), J A Sellwood (2), Juntai Shen (1) ((1) Shanghai Astronomical Observatory, Zhi Li (1)

arxiv:1710.04683 v1 · 2017-10-12 · 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{7DX3NMDMW6RIYGIP6LORBLKUZ6}

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	2026-05-18T00:29:28.049845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8efb6b06cb7a28c190ff2dd10ad54cfa1eda1f9b3178602e1a008478b710d12

Aliases

arxiv: 1710.04683 · arxiv_version: 1710.04683v1 · doi: 10.48550/arxiv.1710.04683 · pith_short_12: 7DX3NMDMW6RI · pith_short_16: 7DX3NMDMW6RIYGIP · pith_short_8: 7DX3NMDM

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/7DX3NMDMW6RIYGIP6LORBLKUZ6 \
  | 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: f8efb6b06cb7a28c190ff2dd10ad54cfa1eda1f9b3178602e1a008478b710d12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e10d7ff708171d6afbe90caf67e7b965b820ad4588a958e4065c116f3f5e0e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-12T18:34:41Z",
    "title_canon_sha256": "3f40537a5636b67048951b3415e0475f4de0da4efe507cfc17cabe1d8c0d3793"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04683",
    "kind": "arxiv",
    "version": 1
  }
}