Pith Number

pith:OAY4MIPV

pith:2016:OAY4MIPVJ2M63PHIUCUSINYPJY

not attested not anchored not stored refs pending

Le Potier's strange duality, quot schemes, and multiple point formulas for del Pezzo surfaces

Aaron Bertram, Drew Johnson, Thomas Goller

arxiv:1610.04185 v1 · 2016-10-13 · 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{OAY4MIPVJ2M63PHIUCUSINYPJY}

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	2026-05-18T01:02:21.647187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7031c621f54e99edbce8a0a924370f4e2104068a7cba01e87e588d03024602df

Aliases

arxiv: 1610.04185 · arxiv_version: 1610.04185v1 · doi: 10.48550/arxiv.1610.04185 · pith_short_12: OAY4MIPVJ2M6 · pith_short_16: OAY4MIPVJ2M63PHI · pith_short_8: OAY4MIPV

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/OAY4MIPVJ2M63PHIUCUSINYPJY \
  | 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: 7031c621f54e99edbce8a0a924370f4e2104068a7cba01e87e588d03024602df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738f3a77cfae3903b70e9bfffe973d1bf329595355caeec9b112d5fd3c21ed1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-10-13T17:37:00Z",
    "title_canon_sha256": "5dd364c0587db3abf68446f9157af132a616919385e9cdc83aa8bc91cad7ff09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04185",
    "kind": "arxiv",
    "version": 1
  }
}