Pith Number

pith:OTJEXCLZ

pith:2025:OTJEXCLZ7ZTX3C4KJA5OCTBM45

not attested not anchored not stored refs pending

The Spectroscopy of the 2+1 Dimensional Analog Black Hole in Photon-Fluid Model

David Senjaya, Supakchai Ponglertsakul

arxiv:2509.03099 v1 · 2025-09-03 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTJEXCLZ7ZTX3C4KJA5OCTBM45}

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	2026-07-05T12:04:04.139140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74d24b8979fe677d8b8a483ae14c2ce745b5654af13f4e180b7917f89649706e

Aliases

arxiv: 2509.03099 · arxiv_version: 2509.03099v1 · doi: 10.48550/arxiv.2509.03099 · pith_short_12: OTJEXCLZ7ZTX · pith_short_16: OTJEXCLZ7ZTX3C4K · pith_short_8: OTJEXCLZ

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/OTJEXCLZ7ZTX3C4KJA5OCTBM45 \
  | 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: 74d24b8979fe677d8b8a483ae14c2ce745b5654af13f4e180b7917f89649706e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e57521024410374bc2f5bf113f96e6b4a5edafb5e267c1dd09b0957df8fca37",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-09-03T07:55:28Z",
    "title_canon_sha256": "95612703a0abdd1ba4be92fd04f0c106ec7897d9b5f635f979549e4a0b36e801"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03099",
    "kind": "arxiv",
    "version": 1
  }
}