Pith Number

pith:Q4FFJH5M

pith:2016:Q4FFJH5MGLJYTM3COMHSVOVAPN

not attested not anchored not stored refs pending

Energy dissipative numerical scheme for gradient flows of planar curves using discrete partial derivatives and B-spline curves

Tomoya Kemmochi

arxiv:1610.03014 v1 · 2016-10-10 · 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{Q4FFJH5MGLJYTM3COMHSVOVAPN}

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	2026-05-18T01:02:50.183437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870a549fac32d389b362730f2abaa07b77c01a0ab2005820e1bc64b95f4266ea

Aliases

arxiv: 1610.03014 · arxiv_version: 1610.03014v1 · doi: 10.48550/arxiv.1610.03014 · pith_short_12: Q4FFJH5MGLJY · pith_short_16: Q4FFJH5MGLJYTM3C · pith_short_8: Q4FFJH5M

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/Q4FFJH5MGLJYTM3COMHSVOVAPN \
  | 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: 870a549fac32d389b362730f2abaa07b77c01a0ab2005820e1bc64b95f4266ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bf51e49f85c6262bb5d7b7313379fe8a7c4e2c4cbf07f3255edd7a8c8430318",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-10T18:15:47Z",
    "title_canon_sha256": "2892417cb6e9fc33158374491bd9578ab6b696897e7f1d0301d6a8a482be2530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03014",
    "kind": "arxiv",
    "version": 1
  }
}