Pith Number

pith:RZHOBZYM

pith:2016:RZHOBZYMEHVJF3THI6ZKYMPVKM

not attested not anchored not stored refs pending

Lifting Weighted Blow-ups

Marco Andreatta

arxiv:1609.00156 v2 · 2016-09-01 · 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{RZHOBZYMEHVJF3THI6ZKYMPVKM}

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	2026-05-18T00:50:42.520716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4ee0e70c21ea92ee6747b2ac31f55328d305dd773c945e1972f8ebd0dc977a

Aliases

arxiv: 1609.00156 · arxiv_version: 1609.00156v2 · doi: 10.48550/arxiv.1609.00156 · pith_short_12: RZHOBZYMEHVJ · pith_short_16: RZHOBZYMEHVJF3TH · pith_short_8: RZHOBZYM

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/RZHOBZYMEHVJF3THI6ZKYMPVKM \
  | 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: 8e4ee0e70c21ea92ee6747b2ac31f55328d305dd773c945e1972f8ebd0dc977a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28f7c52f06bacdba3a514c9e6319c1c621d828b8710b931e7c6ea6a0c90f579c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-01T09:27:28Z",
    "title_canon_sha256": "c27b13fe047681803d43762bbfae96cca6f4ae3b19d0322be65030addf541b29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00156",
    "kind": "arxiv",
    "version": 2
  }
}