Pith Number

pith:QC6NL6Q4

pith:2019:QC6NL6Q4YTZDKIMZ47Y2EMU4N4

not attested not anchored not stored refs pending

On the $v_1$ periodicity of the Moore space

Lyuboslav Panchev

arxiv:1902.06902 v1 · 2019-02-19 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QC6NL6Q4YTZDKIMZ47Y2EMU4N4}

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	2026-05-17T23:53:40.484197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80bcd5fa1cc4f2352199e7f1a2329c6f2b47dcda849d8da13e8c6a6064de5f6b

Aliases

arxiv: 1902.06902 · arxiv_version: 1902.06902v1 · doi: 10.48550/arxiv.1902.06902 · pith_short_12: QC6NL6Q4YTZD · pith_short_16: QC6NL6Q4YTZDKIMZ · pith_short_8: QC6NL6Q4

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/QC6NL6Q4YTZDKIMZ47Y2EMU4N4 \
  | 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: 80bcd5fa1cc4f2352199e7f1a2329c6f2b47dcda849d8da13e8c6a6064de5f6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35f2ffd90590be61914b18ee824d1996aea233d38887201b05ec48dbcb6d57fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-02-19T05:31:05Z",
    "title_canon_sha256": "8f47759034aa713a9118d1baa4d972ba886a78fdd738b54dae38d9e0515dbda4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06902",
    "kind": "arxiv",
    "version": 1
  }
}