Pith Number

pith:EJSN3GFV

pith:2018:EJSN3GFVB37RTEF6HEZWI6Q27U

not attested not anchored not stored refs pending

Optimal Mesh Size for Inverse Medium Scattering Problems

Habib Ammari, Keji Liu, Yat Tin Chow

arxiv:1810.08283 v1 · 2018-10-18 · math.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{EJSN3GFVB37RTEF6HEZWI6Q27U}

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	2026-05-18T00:02:48.610853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2264dd98b50eff1990be3933647a1afd01f2c805eba94baa0f353788e03d800c

Aliases

arxiv: 1810.08283 · arxiv_version: 1810.08283v1 · doi: 10.48550/arxiv.1810.08283 · pith_short_12: EJSN3GFVB37R · pith_short_16: EJSN3GFVB37RTEF6 · pith_short_8: EJSN3GFV

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/EJSN3GFVB37RTEF6HEZWI6Q27U \
  | 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: 2264dd98b50eff1990be3933647a1afd01f2c805eba94baa0f353788e03d800c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45f9de6a7f2ab172c0ad68230a4c04ff945c7b71dbe046244c65003458a36414",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-18T21:56:59Z",
    "title_canon_sha256": "cde5f913efe4bbfb28f1f4c053d3a48ba970ee891bb31d1aed519528c8af1c69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08283",
    "kind": "arxiv",
    "version": 1
  }
}