Pith Number

pith:5EOGVGZI

pith:2017:5EOGVGZIBJFO5HGA4IJLNK2GOL

not attested not anchored not stored refs pending

Algebraic $K$-theory, assembly maps, controlled algebra, and trace methods

Holger Reich, Marco Varisco

arxiv:1702.02218 v3 · 2017-02-07 · math.KT · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EOGVGZIBJFO5HGA4IJLNK2GOL}

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	2026-05-18T00:18:09.776879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e91c6a9b280a4aee9cc0e212b6ab4672ff460b7f4df698dd6f3de59c9cbf01c1

Aliases

arxiv: 1702.02218 · arxiv_version: 1702.02218v3 · doi: 10.48550/arxiv.1702.02218 · pith_short_12: 5EOGVGZIBJFO · pith_short_16: 5EOGVGZIBJFO5HGA · pith_short_8: 5EOGVGZI

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/5EOGVGZIBJFO5HGA4IJLNK2GOL \
  | 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: e91c6a9b280a4aee9cc0e212b6ab4672ff460b7f4df698dd6f3de59c9cbf01c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91e15c9187a03182788c6b5d367cff007666dda74019f332a29531250e381a8",
    "cross_cats_sorted": [
      "math.AT",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2017-02-07T22:33:59Z",
    "title_canon_sha256": "56ec432a5c6bbf8ebb3b991c348f9e853f50e91ffffe77095aac69a8ce43f7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02218",
    "kind": "arxiv",
    "version": 3
  }
}