Pith Number

pith:FEM7F7CX

pith:2016:FEM7F7CXURM4C6A5S5F6VG73OE

not attested not anchored not stored refs pending

The homotopy theory of equivariant posets

Inna Zakharevich, J.P. May, Marc Stephan

arxiv:1601.02521 v3 · 2016-01-11 · math.AT · math.CO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FEM7F7CXURM4C6A5S5F6VG73OE}

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	2026-05-18T00:15:47.610138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2919f2fc57a459c1781d974bea9bfb712031206abe6d79b87173f638378c013e

Aliases

arxiv: 1601.02521 · arxiv_version: 1601.02521v3 · doi: 10.48550/arxiv.1601.02521 · pith_short_12: FEM7F7CXURM4 · pith_short_16: FEM7F7CXURM4C6A5 · pith_short_8: FEM7F7CX

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/FEM7F7CXURM4C6A5S5F6VG73OE \
  | 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: 2919f2fc57a459c1781d974bea9bfb712031206abe6d79b87173f638378c013e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d40f0e73ff8ea986c757ee838454ee8851df2aa77ef3cae7e7186d0ab57041af",
    "cross_cats_sorted": [
      "math.CO",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-01-11T16:52:57Z",
    "title_canon_sha256": "f745a43749b66c3d50408bae938541fc17a147428e2070f9813ce88c0aa92e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02521",
    "kind": "arxiv",
    "version": 3
  }
}