Pith Number

pith:C7AHW77T

pith:2013:C7AHW77TUKB6RV5OM5FROY3IP5

not attested not anchored not stored refs pending

The enclosure method for inverse obstacle scattering problems with dynamical data over a finite time interval: III. Sound-soft obstacle and bistatic data

Masaru Ikehata

arxiv:1302.2389 v1 · 2013-02-11 · 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{C7AHW77TUKB6RV5OM5FROY3IP5}

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	2026-05-18T00:20:49.617916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c07b7ff3a283e8d7ae674b1763687f452f6b2dd9f7b38f4a9825e8a095e990

Aliases

arxiv: 1302.2389 · arxiv_version: 1302.2389v1 · doi: 10.48550/arxiv.1302.2389 · pith_short_12: C7AHW77TUKB6 · pith_short_16: C7AHW77TUKB6RV5O · pith_short_8: C7AHW77T

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/C7AHW77TUKB6RV5OM5FROY3IP5 \
  | 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: 17c07b7ff3a283e8d7ae674b1763687f452f6b2dd9f7b38f4a9825e8a095e990

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "919d166ef37d110fead8e839f7adf6f0dbaf1bdc45af2971658015b391c73996",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-02-11T03:42:51Z",
    "title_canon_sha256": "07253261685e69e304e991e274b3caf220edb692ffd6ba46d6179c8a8471faf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2389",
    "kind": "arxiv",
    "version": 1
  }
}