Pith Number

pith:Z533GVGF

pith:2018:Z533GVGFZKXU53PSDS2HY64LU4

not attested not anchored not stored refs pending

PDE-based numerical method for a limited angle X-ray tomography

Loc H. Nguyen, Michael V. Klibanov

arxiv:1809.06012 v1 · 2018-09-17 · 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{Z533GVGFZKXU53PSDS2HY64LU4}

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	2026-05-17T23:47:30.283740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf77b354c5caaf4eedf21cb47c7b8ba70842a2c8d1befa3f998d3ea521ddaf31

Aliases

arxiv: 1809.06012 · arxiv_version: 1809.06012v1 · doi: 10.48550/arxiv.1809.06012 · pith_short_12: Z533GVGFZKXU · pith_short_16: Z533GVGFZKXU53PS · pith_short_8: Z533GVGF

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/Z533GVGFZKXU53PSDS2HY64LU4 \
  | 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: cf77b354c5caaf4eedf21cb47c7b8ba70842a2c8d1befa3f998d3ea521ddaf31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9b413b6335c0a5ef651fea5437a132bb5b32e5d5b2fce3c19d1b2056d12434",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-17T03:42:19Z",
    "title_canon_sha256": "cb9d61efbba37b0ec699b1908e36d98c81cb2ffab23586abf22c5b02e52b8ad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06012",
    "kind": "arxiv",
    "version": 1
  }
}