Pith Number

pith:FKH5P3BU

pith:2014:FKH5P3BUL7MYTDOR4XA2REGVYJ

not attested not anchored not stored refs pending

How Strong Are Streak Artifacts in Limited Angle Computed Tomography?

Linh V. Nguyen

arxiv:1407.3037 v3 · 2014-07-11 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKH5P3BUL7MYTDOR4XA2REGVYJ}

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	2026-05-18T01:42:37.787146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a8fd7ec345fd9898dd1e5c1a890d5c271f25fc2eedb90e36d1253b68a5bd733

Aliases

arxiv: 1407.3037 · arxiv_version: 1407.3037v3 · doi: 10.48550/arxiv.1407.3037 · pith_short_12: FKH5P3BUL7MY · pith_short_16: FKH5P3BUL7MYTDOR · pith_short_8: FKH5P3BU

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/FKH5P3BUL7MYTDOR4XA2REGVYJ \
  | 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: 2a8fd7ec345fd9898dd1e5c1a890d5c271f25fc2eedb90e36d1253b68a5bd733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08db23f4d430dfaf967effbad7657419042e030ee076b120e37e649a3c0e0101",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-07-11T06:24:00Z",
    "title_canon_sha256": "5e05210cccf9246dd7fed9461df34d8284701ff02b6e5c75feb9c4402ffbd6e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3037",
    "kind": "arxiv",
    "version": 3
  }
}