Pith Number

pith:DI77BS6C

pith:2012:DI77BS6CTJVMSQ5RRIDZL4SLDQ

not attested not anchored not stored refs pending

A Monte Carlo Markov Chain based investigation of black hole spin in the active galaxy NGC3783

A. C. Fabian, A. M. Lohfink, C. S. Reynolds, J. M. Miller, L. W. Brenneman, M. A. Nowak, M. L. Trippe

arxiv:1204.5747 v2 · 2012-04-25 · 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{DI77BS6CTJVMSQ5RRIDZL4SLDQ}

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	2026-05-18T01:57:44.212401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a3ff0cbc29a6ac943b18a0795f24b1c0644a5d713b18f20ed84f6d5689484ba

Aliases

arxiv: 1204.5747 · arxiv_version: 1204.5747v2 · doi: 10.48550/arxiv.1204.5747 · pith_short_12: DI77BS6CTJVM · pith_short_16: DI77BS6CTJVMSQ5R · pith_short_8: DI77BS6C

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/DI77BS6CTJVMSQ5RRIDZL4SLDQ \
  | 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: 1a3ff0cbc29a6ac943b18a0795f24b1c0644a5d713b18f20ed84f6d5689484ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a632249047f7c42ab8ae8df2d901d855bb2b21a98c9a78d79c76af6b33e5b4a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-25T20:00:01Z",
    "title_canon_sha256": "bdf25ac405b703e22056c69c15d374620e943fd73f858d96716d76e8c854f719"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5747",
    "kind": "arxiv",
    "version": 2
  }
}