Pith Number

pith:VC2L2BAX

pith:2017:VC2L2BAXX47U4ZQOBUJYYUVMHM

not attested not anchored not stored refs pending

Manifold calculus adapted for simplicial complexes

Steffen Tillmann

arxiv:1702.05608 v2 · 2017-02-18 · math.GT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VC2L2BAXX47U4ZQOBUJYYUVMHM}

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	2026-05-18T00:30:17.167732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8b4bd0417bf3f4e660e0d138c52ac3b226c9de42680f7fb37b5375d52baefa4

Aliases

arxiv: 1702.05608 · arxiv_version: 1702.05608v2 · doi: 10.48550/arxiv.1702.05608 · pith_short_12: VC2L2BAXX47U · pith_short_16: VC2L2BAXX47U4ZQO · pith_short_8: VC2L2BAX

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/VC2L2BAXX47U4ZQOBUJYYUVMHM \
  | 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: a8b4bd0417bf3f4e660e0d138c52ac3b226c9de42680f7fb37b5375d52baefa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b5f6061d685e670a6555c55305ed2eb9cb245b402b6bac8d122d375305a8bf8",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-02-18T12:49:22Z",
    "title_canon_sha256": "54049526222256220c9bc3cd70e49517c98b0974052ecc4206415aa4c646fb03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05608",
    "kind": "arxiv",
    "version": 2
  }
}