Pith Number

pith:7E43QSRK

pith:2019:7E43QSRKBMVKGVS4RTNURRVD25

not attested not anchored not stored refs pending

Deformation classes of real Cayley M-octads

Sergey Finashin

arxiv:1907.04792 v1 · 2019-07-10 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7E43QSRKBMVKGVS4RTNURRVD25}

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	2026-05-17T23:40:56.749869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f939b84a2a0b2aa3565c8cdb48c6a3d76fb5182e912a6ef74daf64f25186dc52

Aliases

arxiv: 1907.04792 · arxiv_version: 1907.04792v1 · doi: 10.48550/arxiv.1907.04792 · pith_short_12: 7E43QSRKBMVK · pith_short_16: 7E43QSRKBMVKGVS4 · pith_short_8: 7E43QSRK

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/7E43QSRKBMVKGVS4RTNURRVD25 \
  | 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: f939b84a2a0b2aa3565c8cdb48c6a3d76fb5182e912a6ef74daf64f25186dc52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7df162301c03bea11a102a1f20e1696d9db0ffd6a9a2d4de57ac5d0ce683315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-07-10T15:27:50Z",
    "title_canon_sha256": "6458ceb1eed76f252d724a1eaffbad1a29c4a422534ec1465246ec053f0f0432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04792",
    "kind": "arxiv",
    "version": 1
  }
}