Pith Number

pith:DRIDPU35

pith:2017:DRIDPU3547J5C7IBKVGYXKNBBG

not attested not anchored not stored refs pending

Hierarchical B-spline complexes of discrete differential forms

Derek Thomas, John A. Evans, Kendrick Shepherd, Michael A. Scott, Rafael Vazquez

arxiv:1708.04195 v1 · 2017-08-14 · 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{DRIDPU3547J5C7IBKVGYXKNBBG}

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	2026-05-18T00:38:06.841781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c5037d37de7d3d17d01554d8ba9a109b375bdc3f6a1560ea89bccc3b5adf82a

Aliases

arxiv: 1708.04195 · arxiv_version: 1708.04195v1 · doi: 10.48550/arxiv.1708.04195 · pith_short_12: DRIDPU3547J5 · pith_short_16: DRIDPU3547J5C7IB · pith_short_8: DRIDPU35

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/DRIDPU3547J5C7IBKVGYXKNBBG \
  | 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: 1c5037d37de7d3d17d01554d8ba9a109b375bdc3f6a1560ea89bccc3b5adf82a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3a4e115aa94a6d85f24760c55d6631aab739a5e620c61fcf55cc083a8dc654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-14T16:11:12Z",
    "title_canon_sha256": "8284b93233ff6e26635f1b81639b561781c769931f6b7fc80f516c02b78dc607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04195",
    "kind": "arxiv",
    "version": 1
  }
}