Pith Number

pith:J36HFC4R

pith:2020:J36HFC4RLVLJ2CVHHAF43DKS7X

not attested not anchored not stored refs pending

Streak artifacts from non-convex metal objects in X-ray tomography

Yiran Wang, Yuzhou Zou

arxiv:2002.12210 v2 · 2020-02-27 · 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{J36HFC4RLVLJ2CVHHAF43DKS7X}

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	2026-07-05T03:14:01.029845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4efc728b915d569d0aa7380bcd8d52fdc18526daa151fa8712e79581af068a51

Aliases

arxiv: 2002.12210 · arxiv_version: 2002.12210v2 · doi: 10.48550/arxiv.2002.12210 · pith_short_12: J36HFC4RLVLJ · pith_short_16: J36HFC4RLVLJ2CVH · pith_short_8: J36HFC4R

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/J36HFC4RLVLJ2CVHHAF43DKS7X \
  | 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: 4efc728b915d569d0aa7380bcd8d52fdc18526daa151fa8712e79581af068a51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a734c3cb672a9bb99f4c2aa613ff6ede977456fee4f05534dd5dee3b9fae3c1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-02-27T15:57:07Z",
    "title_canon_sha256": "fa3120293044095b63767c1b5f6f938a2f367cf722800bd842d3a2adb7823952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12210",
    "kind": "arxiv",
    "version": 2
  }
}