Pith Number

pith:YSZNJHTJ

pith:2018:YSZNJHTJ2XIPG5DWVOM2LNALER

not attested not anchored not stored refs pending

Allocation strategies for high fidelity models in the multifidelity regime

Akil Narayan, Daniel J. Perry, Robert M. Kirby, Ross T. Whitaker

arxiv:1812.11601 v1 · 2018-12-30 · math.NA · cs.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{YSZNJHTJ2XIPG5DWVOM2LNALER}

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	2026-05-17T23:57:11.538688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b2d49e69d5d0f37476ab99a5b40b2445832d0b476e7ac2a67a298b40990159

Aliases

arxiv: 1812.11601 · arxiv_version: 1812.11601v1 · doi: 10.48550/arxiv.1812.11601 · pith_short_12: YSZNJHTJ2XIP · pith_short_16: YSZNJHTJ2XIPG5DW · pith_short_8: YSZNJHTJ

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/YSZNJHTJ2XIPG5DWVOM2LNALER \
  | 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: c4b2d49e69d5d0f37476ab99a5b40b2445832d0b476e7ac2a67a298b40990159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "701190b81aa09ce6514b15ea9cae5ee1ef1a2754b0ed21d2b3d589264779de53",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-30T20:13:54Z",
    "title_canon_sha256": "3307ae0411acd93fdf1bc7f439bfb796765f3a05f0c20e5a75eb93170b493ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11601",
    "kind": "arxiv",
    "version": 1
  }
}