Pith Number

pith:SXNKXEY4

pith:2017:SXNKXEY4GI2PRWA25B3MADIVF7

not attested not anchored not stored refs pending

Numerical Polar calculus and cohomology of line bundles

Chris Peterson, David Eklund, Sandra Di Rocco

arxiv:1709.08674 v2 · 2017-09-25 · 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{SXNKXEY4GI2PRWA25B3MADIVF7}

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	2026-05-18T00:32:32.366295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95daab931c3234f8d81ae876c00d152fd05ee3ecf20a4f6e11340ef0e4a2a87c

Aliases

arxiv: 1709.08674 · arxiv_version: 1709.08674v2 · doi: 10.48550/arxiv.1709.08674 · pith_short_12: SXNKXEY4GI2P · pith_short_16: SXNKXEY4GI2PRWA2 · pith_short_8: SXNKXEY4

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/SXNKXEY4GI2PRWA25B3MADIVF7 \
  | 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: 95daab931c3234f8d81ae876c00d152fd05ee3ecf20a4f6e11340ef0e4a2a87c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05c4e0532605d3c734e4b4833d95ea70c74fb81b4977e24dcb903d7776b7de5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-25T18:55:37Z",
    "title_canon_sha256": "76ae10b89f05b98eca58df2d054c8782d6a53c1b2051569c1a2335d28a8d011d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08674",
    "kind": "arxiv",
    "version": 2
  }
}