Pith Number

pith:3K7O7FKB

pith:2019:3K7O7FKBJ2VILP3WMASWNWE45C

not attested not anchored not stored refs pending

The geometry of filtrations

Tasos Moulinos

arxiv:1907.13562 v2 · 2019-07-31 · 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{3K7O7FKBJ2VILP3WMASWNWE45C}

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

Filtered formal groups, Cartier duality, and derived algebraic geometry

Receipt and verification

First computed	2026-07-05T03:14:50.477267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dabeef95414eaa85bf76602566d89ce8bc3fcf38d6c21fc2414dc9edbabc27a7

Aliases

arxiv: 1907.13562 · arxiv_version: 1907.13562v2 · doi: 10.48550/arxiv.1907.13562 · pith_short_12: 3K7O7FKBJ2VI · pith_short_16: 3K7O7FKBJ2VILP3W · pith_short_8: 3K7O7FKB

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/3K7O7FKBJ2VILP3WMASWNWE45C \
  | 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: dabeef95414eaa85bf76602566d89ce8bc3fcf38d6c21fc2414dc9edbabc27a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9cd9f326caa0b19a2e5d2423d45ffbda5e64da8a63c87f74e130cdef9c880b0",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-07-31T15:43:36Z",
    "title_canon_sha256": "a18d30f58720819ddaa5eb9aa6a4edf8398e92a30bf6e363b6ed3c54ea6f3ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13562",
    "kind": "arxiv",
    "version": 2
  }
}