Pith Number

pith:Y75SGCRL

pith:2019:Y75SGCRLFCISF4NU63COF5FGVJ

not attested not anchored not stored refs pending

Pyknotic objects, I. Basic notions

Clark Barwick, Peter Haine

arxiv:1904.09966 v2 · 2019-04-22 · math.AG · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y75SGCRLFCISF4NU63COF5FGVJ}

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

2 papers in Pith

A condensed proof of the pro-\'etale and \'etale exodromy theorems

Lectures on Condensed Mathematics

Receipt and verification

First computed	2026-05-17T23:47:24.749873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7fb230a2b289122f1b4f6c4e2f4a6aa46c2381c10908da43960bcf7b1086a17

Aliases

arxiv: 1904.09966 · arxiv_version: 1904.09966v2 · doi: 10.48550/arxiv.1904.09966 · pith_short_12: Y75SGCRLFCIS · pith_short_16: Y75SGCRLFCISF4NU · pith_short_8: Y75SGCRL

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/Y75SGCRLFCISF4NU63COF5FGVJ \
  | 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: c7fb230a2b289122f1b4f6c4e2f4a6aa46c2381c10908da43960bcf7b1086a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "203b5095c5b6d4ee69a4c9c8cd067c05232a56b82bc5fb1f8cfd01869adc47ce",
    "cross_cats_sorted": [
      "math.AT",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-04-22T17:36:42Z",
    "title_canon_sha256": "5e493b428c498c1b78513cf4b2b4bac410db68a96d492605084ed58594c35834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09966",
    "kind": "arxiv",
    "version": 2
  }
}