Pith Number

pith:6KIV2SUC

pith:2013:6KIV2SUCM2EC4VTHCCNFZ2I4EJ

not attested not anchored not stored refs pending

Acoustic Black Holes and Universal Aspects of Area Products

E. Passos, F. A. Brito, M. A. Anacleto

arxiv:1309.1486 v3 · 2013-09-05 · hep-th · 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{6KIV2SUCM2EC4VTHCCNFZ2I4EJ}

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	2026-05-18T01:22:43.882943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2915d4a8266882e5667109a5ce91c2279cf020f540e1a2bf0584ec664acc41e

Aliases

arxiv: 1309.1486 · arxiv_version: 1309.1486v3 · doi: 10.48550/arxiv.1309.1486 · pith_short_12: 6KIV2SUCM2EC · pith_short_16: 6KIV2SUCM2EC4VTH · pith_short_8: 6KIV2SUC

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/6KIV2SUCM2EC4VTHCCNFZ2I4EJ \
  | 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: f2915d4a8266882e5667109a5ce91c2279cf020f540e1a2bf0584ec664acc41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e9d83f94b9e7945bda17fbd9012c733a6d1686bbf6a32bfffd23e261bba3ba4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-09-05T20:41:50Z",
    "title_canon_sha256": "bd87cac9e8a1dc2e3f407506cea442075680b36cae8dd495360b7de3619afbf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1486",
    "kind": "arxiv",
    "version": 3
  }
}