Pith Number

pith:MWYGT4ZV

pith:2018:MWYGT4ZVLRUMV3DCZCCZL6OP4F

not attested not anchored not stored refs pending

Perverse schobers and birational geometry

Alexey Bondal, Mikhail Kapranov, Vadim Schechtman

arxiv:1801.08286 v1 · 2018-01-25 · 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{MWYGT4ZVLRUMV3DCZCCZL6OP4F}

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

Cycle Relations and Global Gluing in Multi-Node Conifold Degenerations

Receipt and verification

First computed	2026-05-18T00:25:06.626283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65b069f3355c68caec62c88595f9cfe164daa1cb2b57a1422eb74c24573cf070

Aliases

arxiv: 1801.08286 · arxiv_version: 1801.08286v1 · doi: 10.48550/arxiv.1801.08286 · pith_short_12: MWYGT4ZVLRUM · pith_short_16: MWYGT4ZVLRUMV3DC · pith_short_8: MWYGT4ZV

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/MWYGT4ZVLRUMV3DCZCCZL6OP4F \
  | 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: 65b069f3355c68caec62c88595f9cfe164daa1cb2b57a1422eb74c24573cf070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "838ee13aef5124b2e6d95560041d67e5d3b32dcd7f45656374595b1d5a2482c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-01-25T06:31:34Z",
    "title_canon_sha256": "b250d4e96a77d520382074a1c327147b2827621114df5db77032cfc86768e5a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08286",
    "kind": "arxiv",
    "version": 1
  }
}