Pith Number

pith:OEL77T2R

pith:2015:OEL77T2RZXMP7WPJRDJABB7BPN

not attested not anchored not stored refs pending

Covers of stacky curves and limits of plane quintics

Anand Deopurkar

arxiv:1507.03252 v2 · 2015-07-12 · 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{OEL77T2RZXMP7WPJRDJABB7BPN}

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	2026-05-18T00:07:51.318619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7117ffcf51cdd8ffd9e988d20087e17b538141fc35ccf4dcc6a425e625706d81

Aliases

arxiv: 1507.03252 · arxiv_version: 1507.03252v2 · doi: 10.48550/arxiv.1507.03252 · pith_short_12: OEL77T2RZXMP · pith_short_16: OEL77T2RZXMP7WPJ · pith_short_8: OEL77T2R

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/OEL77T2RZXMP7WPJRDJABB7BPN \
  | 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: 7117ffcf51cdd8ffd9e988d20087e17b538141fc35ccf4dcc6a425e625706d81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81500bb8adb21495a1d2b6729ad79ca50d8664f3a6b58bbced3559e8ae9b123f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-07-12T17:33:11Z",
    "title_canon_sha256": "7ec6b55c8290269264e4ff30085f0288cada861be74885c2659a5531daeaf873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03252",
    "kind": "arxiv",
    "version": 2
  }
}