Pith Number

pith:5BY344R5

pith:2020:5BY344R5HMELIOI4A7Y5BJKWGP

not attested not anchored not stored refs pending

Cdh descent, cdarc descent, and Milnor excision

Elden Elmanto, Marc Hoyois, Ryomei Iwasa, Shane Kelly

arxiv:2002.11647 v3 · 2020-02-26 · math.AG · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BY344R5HMELIOI4A7Y5BJKWGP}

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.

Cited by

1 paper in Pith

Special Values without Semi-Simplicity Via K-Theory

Receipt and verification

First computed	2026-07-05T01:39:26.053164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e871be723d3b08b4391c07f1d0a55633c7e3f9278361fe9440d51598bed39875

Aliases

arxiv: 2002.11647 · arxiv_version: 2002.11647v3 · doi: 10.48550/arxiv.2002.11647 · pith_short_12: 5BY344R5HMEL · pith_short_16: 5BY344R5HMELIOI4 · pith_short_8: 5BY344R5

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/5BY344R5HMELIOI4A7Y5BJKWGP \
  | 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: e871be723d3b08b4391c07f1d0a55633c7e3f9278361fe9440d51598bed39875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "296a5383db2dcfd7146d08912d2b540f87883d0f465222c9f32e9be67cd83abe",
    "cross_cats_sorted": [
      "math.AT",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-02-26T17:22:17Z",
    "title_canon_sha256": "23b875157aac5df533c8c30191581bafdd0969a4af35e3b462c7b42b23c17e48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11647",
    "kind": "arxiv",
    "version": 3
  }
}