Pith Number

pith:XG7PVCAK

pith:2017:XG7PVCAKFMHTDJKC2EJIHWZ552

not attested not anchored not stored refs pending

On spectral sets of integers

Dorin Ervin Dutkay, Isabelle Kraus

arxiv:1702.07363 v2 · 2017-02-23 · math.NT

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

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	2026-05-18T00:42:07.031076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9befa880a2b0f31a542d11283db3deeb7c4393254657574a15298350230b7bd

Aliases

arxiv: 1702.07363 · arxiv_version: 1702.07363v2 · doi: 10.48550/arxiv.1702.07363 · pith_short_12: XG7PVCAKFMHT · pith_short_16: XG7PVCAKFMHTDJKC · pith_short_8: XG7PVCAK

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/XG7PVCAKFMHTDJKC2EJIHWZ552 \
  | 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: b9befa880a2b0f31a542d11283db3deeb7c4393254657574a15298350230b7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2a9ff339504fa7a855ac7434209fefe8bcb0cc1550079e51e4e545f835efa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-02-23T19:04:29Z",
    "title_canon_sha256": "b222b3e4e5898bde5d5636f02f621d75e4e79252dcf76342357d048ce5c038da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07363",
    "kind": "arxiv",
    "version": 2
  }
}