Pith Number

pith:2N3QJ5CO

pith:2018:2N3QJ5COB4Z2MTJA4T4X2VREZK

not attested not anchored not stored refs pending

A study of the strong gravity region of the black hole in GS 1354-645

Askar B. Abdikamalov, Cosimo Bambi, Dimitry Ayzenberg, Javier A. Garcia, Jiachen Jiang, Sourabh Nampalliwar, Thomas Dauser, Yerong Xu

arxiv:1807.10243 v2 · 2018-07-26 · 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{2N3QJ5COB4Z2MTJA4T4X2VREZK}

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	2026-05-18T00:04:29.513716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37704f44e0f33a64d20e4f97d5624ca8b5665253c8d88aff5173846e902cd4e

Aliases

arxiv: 1807.10243 · arxiv_version: 1807.10243v2 · doi: 10.48550/arxiv.1807.10243 · pith_short_12: 2N3QJ5COB4Z2 · pith_short_16: 2N3QJ5COB4Z2MTJA · pith_short_8: 2N3QJ5CO

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/2N3QJ5COB4Z2MTJA4T4X2VREZK \
  | 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: d37704f44e0f33a64d20e4f97d5624ca8b5665253c8d88aff5173846e902cd4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "222dcdeb4259c79b90adf5fc4aaded98fd2da93fd4602a954b7736f13e3f4d2d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-26T17:05:02Z",
    "title_canon_sha256": "f34a56c4d5c4ef475145925f755c088d67734e88ce22215b18ff04638f08f6bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10243",
    "kind": "arxiv",
    "version": 2
  }
}