Pith Number

pith:5M4WPBII

pith:2017:5M4WPBII5SCB4FHDI7WGTR7GFW

not attested not anchored not stored refs pending

Constraints on the Growth and Spin of the Supermassive Black Hole in M32 From High Cadence Visible Light Observations

G. Hallinan, H. E. Schlichting, L. K. Harding, N. S. Saini, R. Chary

arxiv:1705.00724 v1 · 2017-05-01 · 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{5M4WPBII5SCB4FHDI7WGTR7GFW}

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	2026-05-18T00:45:10.022646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb39678508ec841e14e347ec69c7e62d964e183d443894706bfdc469ad48965f

Aliases

arxiv: 1705.00724 · arxiv_version: 1705.00724v1 · doi: 10.48550/arxiv.1705.00724 · pith_short_12: 5M4WPBII5SCB · pith_short_16: 5M4WPBII5SCB4FHD · pith_short_8: 5M4WPBII

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/5M4WPBII5SCB4FHDI7WGTR7GFW \
  | 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: eb39678508ec841e14e347ec69c7e62d964e183d443894706bfdc469ad48965f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7223f6500144c04218051506b34df299659bbc801d93cddec87fa84c5994ccc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-01T21:54:56Z",
    "title_canon_sha256": "29c47a4da233382891d0ad1e4568b9ab4bc01061a7a76339db45ffcdc71676f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00724",
    "kind": "arxiv",
    "version": 1
  }
}