Pith Number

pith:A2VDKMY6

pith:2019:A2VDKMY6ZORE6672THBTEHYRDV

not attested not anchored not stored refs pending

Thermoacoustic Tomography with Circular Integrating Detectors and Variable Wave Speed

Chase Mathison

arxiv:1907.01061 v1 · 2019-07-01 · 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{A2VDKMY6ZORE6672THBTEHYRDV}

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	2026-05-17T23:41:41.362140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06aa35331ecba24f7bfa99c3321f111d72a3083e89f754fe3448f414ee25e8d0

Aliases

arxiv: 1907.01061 · arxiv_version: 1907.01061v1 · doi: 10.48550/arxiv.1907.01061 · pith_short_12: A2VDKMY6ZORE · pith_short_16: A2VDKMY6ZORE6672 · pith_short_8: A2VDKMY6

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/A2VDKMY6ZORE6672THBTEHYRDV \
  | 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: 06aa35331ecba24f7bfa99c3321f111d72a3083e89f754fe3448f414ee25e8d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c688ec1c5692c11cd90f0d3ecbd5871b79fcc04ecf41b3d7418fc5b408d5f61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-01T20:32:38Z",
    "title_canon_sha256": "17c0ffd6f92ada1054514aaf7c05b5ca331ed3dfddc84acee550afaa7ed3aae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01061",
    "kind": "arxiv",
    "version": 1
  }
}