Pith Number

pith:67GOM3N7

pith:2012:67GOM3N72TXPDSIN3N45H5ZDNY

not attested not anchored not stored refs pending

On the numerical stability of Fourier extensions

Ben Adcock, Daan Huybrechs, Jesus Martin-Vaquero

arxiv:1206.4111 v3 · 2012-06-19 · 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{67GOM3N72TXPDSIN3N45H5ZDNY}

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	2026-05-18T03:25:59.446092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7cce66dbfd4eef1c90ddb79d3f7236e30af29f549a0eb828caa777d2b95529f

Aliases

arxiv: 1206.4111 · arxiv_version: 1206.4111v3 · doi: 10.48550/arxiv.1206.4111 · pith_short_12: 67GOM3N72TXP · pith_short_16: 67GOM3N72TXPDSIN · pith_short_8: 67GOM3N7

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/67GOM3N72TXPDSIN3N45H5ZDNY \
  | 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: f7cce66dbfd4eef1c90ddb79d3f7236e30af29f549a0eb828caa777d2b95529f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4682eb2e9a412f873b08210866557f138e608ac639c0f81c2edac3ae43e5b872",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-06-19T02:32:45Z",
    "title_canon_sha256": "0be18dd1041d3d551c519a73aa20388ee4abaf921a40b842943962c2edf7ce35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4111",
    "kind": "arxiv",
    "version": 3
  }
}