Pith Number

pith:VYDPUSGM

pith:2018:VYDPUSGMZCB2ZLDTHKZWPOWV2A

not attested not anchored not stored refs pending

Generalized boundary strata classes

Aaron Pixton

arxiv:1804.05467 v1 · 2018-04-16 · 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{VYDPUSGMZCB2ZLDTHKZWPOWV2A}

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	2026-05-18T00:18:28.063941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae06fa48ccc883acac733ab367bad5d03b3940de6527e6319b11df8d99370562

Aliases

arxiv: 1804.05467 · arxiv_version: 1804.05467v1 · doi: 10.48550/arxiv.1804.05467 · pith_short_12: VYDPUSGMZCB2 · pith_short_16: VYDPUSGMZCB2ZLDT · pith_short_8: VYDPUSGM

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/VYDPUSGMZCB2ZLDTHKZWPOWV2A \
  | 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: ae06fa48ccc883acac733ab367bad5d03b3940de6527e6319b11df8d99370562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "815725bf713deecfd012309ca4c3f41de51ce8070860fceb22cb0839ed10045c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-16T01:17:06Z",
    "title_canon_sha256": "2155bc0be8c88e1e77f2a9de3090d9edafe2583613570a8fbc2351d5e1c2b5d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05467",
    "kind": "arxiv",
    "version": 1
  }
}