Pith Number

pith:EJVOOHGJ

pith:2011:EJVOOHGJKN2PQCLDDC5IPXUICX

not attested not anchored not stored refs pending

Equivariant semiprojectivity

N. Christopher Phillips

arxiv:1112.4584 v1 · 2011-12-20 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJVOOHGJKN2PQCLDDC5IPXUICX}

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	2026-05-18T04:05:58.466973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

226ae71cc95374f8096318ba87de8815fcead6c33f4de638509e9308ea16fbd8

Aliases

arxiv: 1112.4584 · arxiv_version: 1112.4584v1 · doi: 10.48550/arxiv.1112.4584 · pith_short_12: EJVOOHGJKN2P · pith_short_16: EJVOOHGJKN2PQCLD · pith_short_8: EJVOOHGJ

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/EJVOOHGJKN2PQCLDDC5IPXUICX \
  | 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: 226ae71cc95374f8096318ba87de8815fcead6c33f4de638509e9308ea16fbd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50930908e708b9dece97867fc32a38508000ce97919cd7fa8dd4fefe71c87ec3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2011-12-20T07:03:59Z",
    "title_canon_sha256": "75d967f90aff7577a388599546e24f8ca36de50341b15fb1623b6cdc0586d464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4584",
    "kind": "arxiv",
    "version": 1
  }
}