Pith Number

pith:O2DH6MY2

pith:2016:O2DH6MY2FELMACUDVM22HG7CN3

not attested not anchored not stored refs pending

A digit reversal property for Stern polynomials

Lukas Spiegelhofer

arxiv:1610.00108 v2 · 2016-10-01 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2DH6MY2FELMACUDVM22HG7CN3}

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	2026-05-18T00:30:32.882343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76867f331a2916c00a83ab35a39be26ee57592573790f8b3d393c88c0d0c3bd9

Aliases

arxiv: 1610.00108 · arxiv_version: 1610.00108v2 · doi: 10.48550/arxiv.1610.00108 · pith_short_12: O2DH6MY2FELM · pith_short_16: O2DH6MY2FELMACUD · pith_short_8: O2DH6MY2

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/O2DH6MY2FELMACUDVM22HG7CN3 \
  | 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: 76867f331a2916c00a83ab35a39be26ee57592573790f8b3d393c88c0d0c3bd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9923984978fbbaaae8eba10ed1340b7b41415c923fed324a5617971f25cebc3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2016-10-01T09:20:46Z",
    "title_canon_sha256": "e29ff961b0b41563d65e3cb69226e8a02258f9ac1321e0dd78cb6b65b7fafa5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00108",
    "kind": "arxiv",
    "version": 2
  }
}