Pith Number

pith:FOGO4U7J

pith:2015:FOGO4U7JF77GMUPW4NJ5N4J5EV

not attested not anchored not stored refs pending

A Generalized Bidiagonal-Tikhonov Method Applied To Differential Phase Contrast Tomography

Jan Sijbers, Nick Schenkels, Wim van Aarle, Wim Vanroose

arxiv:1510.03233 v1 · 2015-10-12 · 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{FOGO4U7JF77GMUPW4NJ5N4J5EV}

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	2026-05-18T01:30:32.425400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b8cee53e92ffe6651f6e353d6f13d254815571f285d9f4addefb601c0c1ca87

Aliases

arxiv: 1510.03233 · arxiv_version: 1510.03233v1 · doi: 10.48550/arxiv.1510.03233 · pith_short_12: FOGO4U7JF77G · pith_short_16: FOGO4U7JF77GMUPW · pith_short_8: FOGO4U7J

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/FOGO4U7JF77GMUPW4NJ5N4J5EV \
  | 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: 2b8cee53e92ffe6651f6e353d6f13d254815571f285d9f4addefb601c0c1ca87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a97406d2bde5ce75358a87235368a2ce0390cb8151cdacc301116a04d7085b98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-12T11:21:20Z",
    "title_canon_sha256": "1eab323bf514b57f6f291d6fc9f8830e7e30c97291e3e4073a546cf766177b63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03233",
    "kind": "arxiv",
    "version": 1
  }
}