Pith Number

pith:IEWWTYBB

pith:2018:IEWWTYBBLIXIJWXBGB2P22SMPF

not attested not anchored not stored refs pending

A reference ball based iterative algorithm for imaging acoustic obstacle from phaseless far-field data

Deyue Zhang, Heping Dong, Yukun Guo

arxiv:1804.05062 v1 · 2018-04-13 · math.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{IEWWTYBBLIXIJWXBGB2P22SMPF}

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	2026-05-18T00:18:30.639452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412d69e0215a2e84dae13074fd6a4c7972e5407bebcd84dc70ef2ee1cd1e0490

Aliases

arxiv: 1804.05062 · arxiv_version: 1804.05062v1 · doi: 10.48550/arxiv.1804.05062 · pith_short_12: IEWWTYBBLIXI · pith_short_16: IEWWTYBBLIXIJWXB · pith_short_8: IEWWTYBB

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/IEWWTYBBLIXIJWXBGB2P22SMPF \
  | 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: 412d69e0215a2e84dae13074fd6a4c7972e5407bebcd84dc70ef2ee1cd1e0490

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d981ebf880ce82adff82336ff17c1088387ae761d9c3ac37e139ee8ce3651d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-13T12:15:56Z",
    "title_canon_sha256": "0b4a0dff56d0cc1e175fda35ae46d305f14a96be0cef3e179033d0fb022c305c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05062",
    "kind": "arxiv",
    "version": 1
  }
}