Pith Number

pith:D3LJADQL

pith:2011:D3LJADQLQ45QHH2VZPQDT7W2SS

not attested not anchored not stored refs pending

Microlocal analysis of an ultrasound transform with circular source and receiver trajectories

Eric Todd Quinto, Gaik Ambartsoumian, Venky P. Krishnan

arxiv:1110.4339 v1 · 2011-10-19 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3LJADQLQ45QHH2VZPQDT7W2SS}

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	2026-05-18T04:10:37.577836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ed6900e0b873b039f55cbe039feda94907a8acae759eb21230e94c8e8c3b860

Aliases

arxiv: 1110.4339 · arxiv_version: 1110.4339v1 · doi: 10.48550/arxiv.1110.4339 · pith_short_12: D3LJADQLQ45Q · pith_short_16: D3LJADQLQ45QHH2V · pith_short_8: D3LJADQL

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/D3LJADQLQ45QHH2VZPQDT7W2SS \
  | 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: 1ed6900e0b873b039f55cbe039feda94907a8acae759eb21230e94c8e8c3b860

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58f4a9d130e9e7c9fa6be19d32c87168cdbd8ed8101adfce530e0262c7271558",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-10-19T17:25:13Z",
    "title_canon_sha256": "2bec34fd611f8f0d8beb6ca6cefef2b1262af1019214b2f011c2479db8ff7c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4339",
    "kind": "arxiv",
    "version": 1
  }
}