Pith Number

pith:DDXYJYBU

pith:2016:DDXYJYBUAVE3EP7LMUZAQOFNRB

not attested not anchored not stored refs pending

Measuring the Innermost Stable Circular Orbits of Supermassive Black Holes

A. Mosquera, C. S. Kochanek, C. W. Morgan, G. Chartas, H. Krawczynski, L. Zalesky, X. Dai

arxiv:1609.09490 v2 · 2016-09-29 · 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{DDXYJYBUAVE3EP7LMUZAQOFNRB}

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	2026-05-18T00:49:15.304999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ef84e0340549b23feb65320838ad884eb683ec140bcbe55b158d18a134bb87

Aliases

arxiv: 1609.09490 · arxiv_version: 1609.09490v2 · doi: 10.48550/arxiv.1609.09490 · pith_short_12: DDXYJYBUAVE3 · pith_short_16: DDXYJYBUAVE3EP7L · pith_short_8: DDXYJYBU

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/DDXYJYBUAVE3EP7LMUZAQOFNRB \
  | 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: 18ef84e0340549b23feb65320838ad884eb683ec140bcbe55b158d18a134bb87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1755450e24cdcf0dbe03472bf530fab452ac8cce3f614ea53472dff8d04818d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-09-29T19:56:51Z",
    "title_canon_sha256": "13d019169f35ba7b2096124db2949f908dda51b8f4e744b62ab8edb6978fe997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09490",
    "kind": "arxiv",
    "version": 2
  }
}