Pith Number

pith:HPEOCHJL

pith:2012:HPEOCHJLFABQOZ2T7JOOFEFFKK

not attested not anchored not stored refs pending

On Spin Dependence of Relativistic Acoustic Geometry

Hsiang-Kuang Chang, Hung-Yi Pu, Ishita Maiti, Tapas Kumar Das

arxiv:1204.1347 v1 · 2012-04-05 · 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{HPEOCHJLFABQOZ2T7JOOFEFFKK}

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	2026-05-18T01:57:56.429844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bc8e11d2b2803076753fa5ce290a55293771ea41d4316a176f39d20280df1b9

Aliases

arxiv: 1204.1347 · arxiv_version: 1204.1347v1 · doi: 10.48550/arxiv.1204.1347 · pith_short_12: HPEOCHJLFABQ · pith_short_16: HPEOCHJLFABQOZ2T · pith_short_8: HPEOCHJL

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/HPEOCHJLFABQOZ2T7JOOFEFFKK \
  | 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: 3bc8e11d2b2803076753fa5ce290a55293771ea41d4316a176f39d20280df1b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1765da0d78b2814c598a5f2267e0c26cd224693f7a6863b9f1ca3793040d2343",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-05T20:00:40Z",
    "title_canon_sha256": "c89d858f2d75d3673868fb2c07b38e39c713a77d03829bdbd552be6fbe1f1fbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1347",
    "kind": "arxiv",
    "version": 1
  }
}