Pith Number

pith:YGOKQ2ZX

pith:2026:YGOKQ2ZXFKGRRIEQ4CC7IOJI7C

not attested not anchored not stored refs pending

Direct reconstruction for acoustic inverse Born scattering

Lisa Sch\"atzle, Nuutti Hyv\"onen

arxiv:2606.05977 v1 · 2026-06-04 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGOKQ2ZXFKGRRIEQ4CC7IOJI7C}

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	2026-06-05T01:15:29.263030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19ca86b372a8d18a090e085f43928f887cdb04190835b5ac668e4120110a275

Aliases

arxiv: 2606.05977 · arxiv_version: 2606.05977v1 · doi: 10.48550/arxiv.2606.05977 · pith_short_12: YGOKQ2ZXFKGR · pith_short_16: YGOKQ2ZXFKGRRIEQ · pith_short_8: YGOKQ2ZX

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/YGOKQ2ZXFKGRRIEQ4CC7IOJI7C \
  | 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: c19ca86b372a8d18a090e085f43928f887cdb04190835b5ac668e4120110a275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57bb27fb9fc1124dc5fc5045b8f66beb584d2be093282e3b0aa6853c04603c44",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-04T10:18:10Z",
    "title_canon_sha256": "70f6849c658c99b249a0101334f087f6c357c6f010906ac5ebe900abcaead8ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05977",
    "kind": "arxiv",
    "version": 1
  }
}