Pith Number

pith:Z6MTPWYA

pith:2014:Z6MTPWYAI4L7KYVVPGW5P5Z45D

not attested not anchored not stored refs pending

Note on the effect of a massive accretion disk in the measurements of black hole spins

Cosimo Bambi, Daniele Malafarina, Naoki Tsukamoto

arxiv:1406.2181 v2 · 2014-06-09 · gr-qc · 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{Z6MTPWYAI4L7KYVVPGW5P5Z45D}

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	2026-05-18T02:48:35.593276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf9937db004717f562b579add7f73ce8de4fd36a23fd105b68b2d2b29c161162

Aliases

arxiv: 1406.2181 · arxiv_version: 1406.2181v2 · doi: 10.48550/arxiv.1406.2181 · pith_short_12: Z6MTPWYAI4L7 · pith_short_16: Z6MTPWYAI4L7KYVV · pith_short_8: Z6MTPWYA

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/Z6MTPWYAI4L7KYVVPGW5P5Z45D \
  | 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: cf9937db004717f562b579add7f73ce8de4fd36a23fd105b68b2d2b29c161162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95831ec0aeee542c2532350eade9c4f7762b65e67e6697777458bfc805d9ece9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-09T13:46:17Z",
    "title_canon_sha256": "855b6fe76cb04bcab3642a87712082489f73933a6fbee28f043f4caf63b5291d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2181",
    "kind": "arxiv",
    "version": 2
  }
}