Pith Number

pith:4IWJ6AUM

pith:2018:4IWJ6AUM26I7KDKUZ63JEXGTEB

not attested not anchored not stored refs pending

Model-Based Iterative Reconstruction for One-Sided Ultrasonic Non-Destructive Evaluation

Charles Bouman, Hani Almansouri, Hector Santos-Villalobos, Singanallur Venkatakrishnan

arxiv:1808.03336 v1 · 2018-08-09 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IWJ6AUM26I7KDKUZ63JEXGTEB}

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	2026-05-18T00:08:27.583609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e22c9f028cd791f50d54cfb6925cd32061fc0e4a2f8aed0c1eed6ffbc8ec0b91

Aliases

arxiv: 1808.03336 · arxiv_version: 1808.03336v1 · doi: 10.48550/arxiv.1808.03336 · pith_short_12: 4IWJ6AUM26I7 · pith_short_16: 4IWJ6AUM26I7KDKU · pith_short_8: 4IWJ6AUM

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/4IWJ6AUM26I7KDKUZ63JEXGTEB \
  | 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: e22c9f028cd791f50d54cfb6925cd32061fc0e4a2f8aed0c1eed6ffbc8ec0b91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "752715c59d32dedb7421875e4d5d8ffbecec257d3ad8ad21d7256ccdd01d9bb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-08-09T20:19:05Z",
    "title_canon_sha256": "513426a0c59aa6b32550c514d9f47013e13a3ae4435ef02cab714d96111ab8ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03336",
    "kind": "arxiv",
    "version": 1
  }
}