Pith Number

pith:7HN6CX56

pith:2015:7HN6CX56IPY6SDMJCTE3OR32WW

not attested not anchored not stored refs pending

Sums of seven octahedral numbers

Zarathustra Brady

arxiv:1509.04316 v2 · 2015-09-14 · 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{7HN6CX56IPY6SDMJCTE3OR32WW}

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	2026-05-18T00:14:23.252883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9dbe15fbe43f1e90d8914c9b7477ab5a0a218083ab84cce8e74bf596ddf9673

Aliases

arxiv: 1509.04316 · arxiv_version: 1509.04316v2 · doi: 10.48550/arxiv.1509.04316 · pith_short_12: 7HN6CX56IPY6 · pith_short_16: 7HN6CX56IPY6SDMJ · pith_short_8: 7HN6CX56

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/7HN6CX56IPY6SDMJCTE3OR32WW \
  | 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: f9dbe15fbe43f1e90d8914c9b7477ab5a0a218083ab84cce8e74bf596ddf9673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bcd0a53684732cad968e9b7827bd0bf4df498da7583ad26898e91a3ec46133e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-09-14T20:46:53Z",
    "title_canon_sha256": "c0fe4a0bfbddfde1106a2f03fcd2858c2e703bc5a905fc2fed2d6ee8dde9b06c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04316",
    "kind": "arxiv",
    "version": 2
  }
}