Pith Number

pith:O7FSRS2H

pith:2015:O7FSRS2HAJHZTTNUDYOL2SUFDD

not attested not anchored not stored refs pending

Shape identification in inverse medium scattering problems with a single far-field pattern

Esa V. Vesalainen, Guanghui Hu, Mikko Salo

arxiv:1507.07846 v1 · 2015-07-28 · 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{O7FSRS2HAJHZTTNUDYOL2SUFDD}

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	2026-05-18T01:36:11.770027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77cb28cb47024f99cdb41e1cbd4a8518fd78b24c156608cb8b340abbcb874953

Aliases

arxiv: 1507.07846 · arxiv_version: 1507.07846v1 · doi: 10.48550/arxiv.1507.07846 · pith_short_12: O7FSRS2HAJHZ · pith_short_16: O7FSRS2HAJHZTTNU · pith_short_8: O7FSRS2H

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/O7FSRS2HAJHZTTNUDYOL2SUFDD \
  | 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: 77cb28cb47024f99cdb41e1cbd4a8518fd78b24c156608cb8b340abbcb874953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65ed987b2b8b6de17e6eea9e47330a14ac068b3a7bbfdee82bcb5be0b1cc2b81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-07-28T16:58:06Z",
    "title_canon_sha256": "bc3c358a4ff18e9ab7a6592bb417c847c5b1353d8bc08fddb1fafee37bb86bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07846",
    "kind": "arxiv",
    "version": 1
  }
}