Pith Number

pith:F56YXL52

pith:2014:F56YXL52ONCSQGZ3IVMP32WVYW

not attested not anchored not stored refs pending

Sparse interpolation over finite fields via low-order roots of unity

Andrew Arnold, Daniel S. Roche, Mark Giesbrecht

arxiv:1401.4744 v2 · 2014-01-19 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F56YXL52ONCSQGZ3IVMP32WVYW}

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	2026-05-18T02:52:47.837026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7d8bafba7345281b3b4558fdead5c5a92d10ebe51af3997d28227285847d68

Aliases

arxiv: 1401.4744 · arxiv_version: 1401.4744v2 · doi: 10.48550/arxiv.1401.4744 · pith_short_12: F56YXL52ONCS · pith_short_16: F56YXL52ONCSQGZ3 · pith_short_8: F56YXL52

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/F56YXL52ONCSQGZ3IVMP32WVYW \
  | 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: 2f7d8bafba7345281b3b4558fdead5c5a92d10ebe51af3997d28227285847d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de570b9d810040bceccbde7460c15118376e519e004ef2ce58e53562d8743690",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.SC",
    "submitted_at": "2014-01-19T21:51:32Z",
    "title_canon_sha256": "cae4f42dc770b424d15f91d84696b231ed18ea0e938e524d07be6f42faa4d383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4744",
    "kind": "arxiv",
    "version": 2
  }
}