Pith Number

pith:W6MGYXLH

pith:2016:W6MGYXLH6CIIHRYXNJ6D3YCBLF

not attested not anchored not stored refs pending

An Efficient Algorithm for the Piecewise-Smooth Model with Approximately Explicit Solutions

Huihui Song, Kaihua Zhang, Yuhui Zheng

arxiv:1612.02521 v1 · 2016-12-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6MGYXLH6CIIHRYXNJ6D3YCBLF}

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	2026-05-18T00:55:33.491922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7986c5d67f09083c7176a7c3de041596641463376865d3d6585e98117338773

Aliases

arxiv: 1612.02521 · arxiv_version: 1612.02521v1 · doi: 10.48550/arxiv.1612.02521 · pith_short_12: W6MGYXLH6CII · pith_short_16: W6MGYXLH6CIIHRYX · pith_short_8: W6MGYXLH

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/W6MGYXLH6CIIHRYXNJ6D3YCBLF \
  | 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: b7986c5d67f09083c7176a7c3de041596641463376865d3d6585e98117338773

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "383cb448066da34d9b97a5246a977f841bbbd3d339716fbbe29262e7ba9047db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-08T03:25:59Z",
    "title_canon_sha256": "64508629fd807fa604d5f09a1e0ab56ba341ac667fcce35cb4279696203b7a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02521",
    "kind": "arxiv",
    "version": 1
  }
}