Pith Number

pith:4HZE7OCI

pith:2017:4HZE7OCIPPFAIQCNYOMXCXINL2

not attested not anchored not stored refs pending

Influence of the geometric configuration of accretion flow on the black hole spin dependence of relativistic acoustic geometry

Pratik Tarafdar, Tapas Kumar Das

arxiv:1705.00173 v2 · 2017-04-29 · 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{4HZE7OCIPPFAIQCNYOMXCXINL2}

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	2026-05-18T00:29:39.113631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f24fb8487bca04404dc399715d0d5e9a476e8a8806334b76117eacdfa01aff

Aliases

arxiv: 1705.00173 · arxiv_version: 1705.00173v2 · doi: 10.48550/arxiv.1705.00173 · pith_short_12: 4HZE7OCIPPFA · pith_short_16: 4HZE7OCIPPFAIQCN · pith_short_8: 4HZE7OCI

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/4HZE7OCIPPFAIQCNYOMXCXINL2 \
  | 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: e1f24fb8487bca04404dc399715d0d5e9a476e8a8806334b76117eacdfa01aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b225243fcfc3d919a8782ae9dd41c6d0900c6ec048b7a8d38310c9d856b5cf68",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-29T11:44:53Z",
    "title_canon_sha256": "3d41d748d5c555cef5d639c131405bc948d19c0b61ec6f9a24e0e9dd9fe584df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00173",
    "kind": "arxiv",
    "version": 2
  }
}