Pith Number

pith:JBH5VCEF

pith:2011:JBH5VCEF6W6PT3S6S5S63IE37W

not attested not anchored not stored refs pending

Discrete approximations of differential equations via trigonometric interpolation

Austin Bren, Kristin Heysse, Michael Dyrud, Oksana Bihun

arxiv:1108.5714 v1 · 2011-08-29 · math.NA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JBH5VCEF6W6PT3S6S5S63IE37W}

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	2026-05-18T04:14:36.926804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

484fda8885f5bcf9ee5e9765eda09bfda7022e879de3a8617bb60a094df7f90b

Aliases

arxiv: 1108.5714 · arxiv_version: 1108.5714v1 · doi: 10.48550/arxiv.1108.5714 · pith_short_12: JBH5VCEF6W6P · pith_short_16: JBH5VCEF6W6PT3S6 · pith_short_8: JBH5VCEF

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/JBH5VCEF6W6PT3S6S5S63IE37W \
  | 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: 484fda8885f5bcf9ee5e9765eda09bfda7022e879de3a8617bb60a094df7f90b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319ebfc167f67ce724695ddfdcd32d287d273d02331a5ffc5db97253694b0778",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-08-29T19:13:53Z",
    "title_canon_sha256": "e821548da8278ef4727a90a6be521b14b4720a6aa89d8d52e36ed239235c5883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5714",
    "kind": "arxiv",
    "version": 1
  }
}