Pith Number

pith:QQ3Y5OQA

pith:2013:QQ3Y5OQAAAXXDSTPYWPWPQ6GRO

not attested not anchored not stored refs pending

Transmission eigenvalues and thermoacoustic tomography

David Finch, Kyle S. Hickmann

arxiv:1306.5481 v1 · 2013-06-23 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQ3Y5OQAAAXXDSTPYWPWPQ6GRO}

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	2026-05-18T01:49:08.952590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84378eba00002f71ca6fc59f67c3c68bbad9f0af9829658297142ec119767c82

Aliases

arxiv: 1306.5481 · arxiv_version: 1306.5481v1 · doi: 10.48550/arxiv.1306.5481 · pith_short_12: QQ3Y5OQAAAXX · pith_short_16: QQ3Y5OQAAAXXDSTP · pith_short_8: QQ3Y5OQA

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/QQ3Y5OQAAAXXDSTPYWPWPQ6GRO \
  | 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: 84378eba00002f71ca6fc59f67c3c68bbad9f0af9829658297142ec119767c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b661c3ed0609b75189131fd23b1d14d8f88c83ca040c7ceb8863111ad193f132",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-23T22:21:47Z",
    "title_canon_sha256": "25cbf8765574a8985ec3c39ecdeb0a38d9a6216ef1e19725d95af7eac18e1e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5481",
    "kind": "arxiv",
    "version": 1
  }
}