Pith Number

pith:YDR4FLDM

pith:2011:YDR4FLDMEI7JNMVMDH2C2PZSL6

not attested not anchored not stored refs pending

Some comparison results on equivalence groups

J. C. Ndogmo

arxiv:1110.6026 v1 · 2011-10-27 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDR4FLDMEI7JNMVMDH2C2PZSL6}

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	2026-05-18T04:10:09.897463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0e3c2ac6c223e96b2ac19f42d3f325faab05b9b6fe5c34ffadc03d348977262

Aliases

arxiv: 1110.6026 · arxiv_version: 1110.6026v1 · doi: 10.48550/arxiv.1110.6026 · pith_short_12: YDR4FLDMEI7J · pith_short_16: YDR4FLDMEI7JNMVM · pith_short_8: YDR4FLDM

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/YDR4FLDMEI7JNMVMDH2C2PZSL6 \
  | 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: c0e3c2ac6c223e96b2ac19f42d3f325faab05b9b6fe5c34ffadc03d348977262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ab511663c66d3fbe169877250b1c0abe3b1337e1e1cdc0feb9fb822f0e94375",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-27T09:36:25Z",
    "title_canon_sha256": "749cf3303c20809ca62487b29fda29ba605b8eaf6a58d3ef8f4a286906b67c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6026",
    "kind": "arxiv",
    "version": 1
  }
}