Pith Number

pith:MPQFBW74

pith:2015:MPQFBW74TY7QF6VBICE6J6HWWQ

not attested not anchored not stored refs pending

Numerical inversion of a broken ray transform arising in single scattering optical tomography

Gaik Ambartsoumian, Souvik Roy

arxiv:1510.03557 v2 · 2015-10-13 · 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{MPQFBW74TY7QF6VBICE6J6HWWQ}

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	2026-05-18T01:19:34.072603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63e050dbfc9e3f02faa14089e4f8f6b426906e82114c13910830df7c6ea41067

Aliases

arxiv: 1510.03557 · arxiv_version: 1510.03557v2 · doi: 10.48550/arxiv.1510.03557 · pith_short_12: MPQFBW74TY7Q · pith_short_16: MPQFBW74TY7QF6VB · pith_short_8: MPQFBW74

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/MPQFBW74TY7QF6VBICE6J6HWWQ \
  | 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: 63e050dbfc9e3f02faa14089e4f8f6b426906e82114c13910830df7c6ea41067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41d598a56e68781e59730fdbce308d8ccef8649f8d69a1c455714eddcbf48613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-13T07:13:19Z",
    "title_canon_sha256": "a15da3d89521e1909e3a8e4069c7d0df57337d6cf19f31cddbf62460891e6670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03557",
    "kind": "arxiv",
    "version": 2
  }
}