Pith Number

pith:DWAKMJGM

pith:2017:DWAKMJGMGYM5Y5IAVEWUTTLJJS

not attested not anchored not stored refs pending

An \'etale realization which does not exist

Jesse Leo Kass, Kirsten Wickelgren

arxiv:1709.09999 v3 · 2017-09-28 · math.AT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWAKMJGMGYM5Y5IAVEWUTTLJJS}

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	2026-05-18T00:19:41.814776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d80a624cc3619dc7500a92d49cd694cbd05cd6c4485f9960db9acf9d4edbd21

Aliases

arxiv: 1709.09999 · arxiv_version: 1709.09999v3 · doi: 10.48550/arxiv.1709.09999 · pith_short_12: DWAKMJGMGYM5 · pith_short_16: DWAKMJGMGYM5Y5IA · pith_short_8: DWAKMJGM

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/DWAKMJGMGYM5Y5IAVEWUTTLJJS \
  | 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: 1d80a624cc3619dc7500a92d49cd694cbd05cd6c4485f9960db9acf9d4edbd21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea3239381ceffbc2ba434db3e577a1a7d577653cee1387b23e8f4cb1eed46b19",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-09-28T14:52:30Z",
    "title_canon_sha256": "c6483c282880384359c1aaeeec25926e4e2f2bf8454349feb9d4082deb91b7cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09999",
    "kind": "arxiv",
    "version": 3
  }
}