Pith Number

pith:44IVTK2D

pith:2021:44IVTK2DQ5KOYMGIZ7YRLVNMVY

not attested not anchored not stored refs pending

On curves in K-theory and TR

Jonas McCandless

arxiv:2102.08281 v4 · 2021-02-16 · math.KT · 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{44IVTK2DQ5KOYMGIZ7YRLVNMVY}

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

TR and the $r$-Nygaard filtered prismatic cohomology

Receipt and verification

First computed	2026-07-05T04:00:13.206043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e71159ab438754ec30c8cff115d5acae2467694d6d63a85ea704fcf46ca673da

Aliases

arxiv: 2102.08281 · arxiv_version: 2102.08281v4 · doi: 10.48550/arxiv.2102.08281 · pith_short_12: 44IVTK2DQ5KO · pith_short_16: 44IVTK2DQ5KOYMGI · pith_short_8: 44IVTK2D

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/44IVTK2DQ5KOYMGIZ7YRLVNMVY \
  | 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: e71159ab438754ec30c8cff115d5acae2467694d6d63a85ea704fcf46ca673da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e54f354063f43d5add512d657d7a88f091f6abb0dc3fd6586356c35356879c0",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2021-02-16T17:08:14Z",
    "title_canon_sha256": "93bc645eb2ca310dd11f9b65c669aef0343d78e7a8c989110bebcd5156dd0a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08281",
    "kind": "arxiv",
    "version": 4
  }
}