Pith Number

pith:WXG7O6R7

pith:2013:WXG7O6R77JLRXCXRYI4PMRBWEJ

not attested not anchored not stored refs pending

Analogue Transformations in Physics and their Application to Acoustics

A. Mart\'inez, C. Barcel\'o, C. Garc\'ia-Meca, G. Jannes, J. S\'anchez-Dehesa, S. Carloni

arxiv:1306.5177 v2 · 2013-06-21 · gr-qc · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXG7O6R77JLRXCXRYI4PMRBWEJ}

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	2026-05-18T01:55:34.212688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5cdf77a3ffa571b8af1c238f64436224646cba179afa116904f71bf6ace33fa

Aliases

arxiv: 1306.5177 · arxiv_version: 1306.5177v2 · doi: 10.48550/arxiv.1306.5177 · pith_short_12: WXG7O6R77JLR · pith_short_16: WXG7O6R77JLRXCXR · pith_short_8: WXG7O6R7

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/WXG7O6R77JLRXCXRYI4PMRBWEJ \
  | 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: b5cdf77a3ffa571b8af1c238f64436224646cba179afa116904f71bf6ace33fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "429fd5f346eaf0804e260df2d46f2bfa8b48ad3b696e8b278a6304cb9151813f",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-21T15:46:42Z",
    "title_canon_sha256": "f29ed5d09644bb9c76f51d62ce29f68d79017042fc2445fed6897d0c73744b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5177",
    "kind": "arxiv",
    "version": 2
  }
}