Pith Number

pith:USW5MOFJ

pith:2015:USW5MOFJO4DJUDTMUY2V3AODEX

not attested not anchored not stored refs pending

Removal of Curtaining Effects by a Variational Model with Directional Forward Differences

Jan Henrik Fitschen, Jianwei Ma, Sebastian Schuff

arxiv:1507.00112 v3 · 2015-07-01 · 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{USW5MOFJO4DJUDTMUY2V3AODEX}

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	2026-05-18T01:17:43.871034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4add638a977069a0e6ca6355d81c325e0e605028cf5f835b3e97c83d56027e9

Aliases

arxiv: 1507.00112 · arxiv_version: 1507.00112v3 · doi: 10.48550/arxiv.1507.00112 · pith_short_12: USW5MOFJO4DJ · pith_short_16: USW5MOFJO4DJUDTM · pith_short_8: USW5MOFJ

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/USW5MOFJO4DJUDTMUY2V3AODEX \
  | 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: a4add638a977069a0e6ca6355d81c325e0e605028cf5f835b3e97c83d56027e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b07ff02370356fca09ae930fe663ee56fba49f0826e6eb9329c9685f53fed9ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-01T05:50:52Z",
    "title_canon_sha256": "482d7f1f3a7b3669c2b22e2f117c6214fae9bf3d061279df18e1161c821813a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00112",
    "kind": "arxiv",
    "version": 3
  }
}