Pith Number

pith:UHOMUIV5

pith:2017:UHOMUIV54T3MQDQA5M4LONRNF3

not attested not anchored not stored refs pending

G-degree for singular manifolds

Luigi Grasselli, Maria Rita Casali, Paola Cristofori

arxiv:1706.07267 v2 · 2017-06-22 · math.GT · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHOMUIV54T3MQDQA5M4LONRNF3}

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	2026-05-18T00:27:57.284813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1dcca22bde4f6c80e00eb38b7362d2ef437028eab3666c03288500bd541977c

Aliases

arxiv: 1706.07267 · arxiv_version: 1706.07267v2 · doi: 10.48550/arxiv.1706.07267 · pith_short_12: UHOMUIV54T3M · pith_short_16: UHOMUIV54T3MQDQA · pith_short_8: UHOMUIV5

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/UHOMUIV54T3MQDQA5M4LONRNF3 \
  | 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: a1dcca22bde4f6c80e00eb38b7362d2ef437028eab3666c03288500bd541977c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36885f00fa4dc066d312a7d33b5fc7511711266e4c8fece056fc5ed4d727845",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-06-22T11:44:05Z",
    "title_canon_sha256": "ddcf4381034704c2e8bfe794e057311781a97253df7bad6e57395368cdf41e69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07267",
    "kind": "arxiv",
    "version": 2
  }
}