Pith Number

pith:BTCXWPYY

pith:2026:BTCXWPYY5KN65LLZQTQY72GS5P

not attested not anchored not stored refs pending

Full cross-correlation inversion for quantitative passive imaging with time-harmonic acoustic waves

Florian Faucher, Jean Dutheil

arxiv:2607.09392 v1 · 2026-07-10 · math.NA · cs.NA · 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{BTCXWPYY5KN65LLZQTQY72GS5P}

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	2026-07-13T01:19:09.358426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc57b3f18ea9beead7984e18fe8d2ebd52fa0d734002be90c7f4295cfe84755

Aliases

arxiv: 2607.09392 · arxiv_version: 2607.09392v1 · doi: 10.48550/arxiv.2607.09392 · pith_short_12: BTCXWPYY5KN6 · pith_short_16: BTCXWPYY5KN65LLZ · pith_short_8: BTCXWPYY

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/BTCXWPYY5KN65LLZQTQY72GS5P \
  | 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: 0cc57b3f18ea9beead7984e18fe8d2ebd52fa0d734002be90c7f4295cfe84755

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2df7a84f54b55d7dc70676a8859d3aedb5d1131b4fc5b41a4439d9cdac260efe",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-10T13:15:34Z",
    "title_canon_sha256": "2a0e687cd4b234ac1a386941d6f16e7d9450e62257d03913f9114056efca2a7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09392",
    "kind": "arxiv",
    "version": 1
  }
}