Pith Number

pith:E7UFKG3L

pith:2015:E7UFKG3L4WLYYYDAIDTCZIVXCV

not attested not anchored not stored refs pending

Enhanced perversities

Andrea D'Agnolo, Masaki Kashiwara

arxiv:1509.03791 v1 · 2015-09-13 · math.AG · math.CT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7UFKG3L4WLYYYDAIDTCZIVXCV}

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	2026-05-17T23:39:42.402642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e8551b6be5978c606040e62ca2b715657ebca412f01ee883ced2d4545100e1

Aliases

arxiv: 1509.03791 · arxiv_version: 1509.03791v1 · doi: 10.48550/arxiv.1509.03791 · pith_short_12: E7UFKG3L4WLY · pith_short_16: E7UFKG3L4WLYYYDA · pith_short_8: E7UFKG3L

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/E7UFKG3L4WLYYYDAIDTCZIVXCV \
  | 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: 27e8551b6be5978c606040e62ca2b715657ebca412f01ee883ced2d4545100e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f58abcccc9c46ae95410426fe4e5d0e4ef4b711a80257da09b4e24e68c6701",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-09-13T01:22:09Z",
    "title_canon_sha256": "3d752bee1a19e794502c6a67b66d56b1e80f04ceeafb3a41d47f1bb2da18c2fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03791",
    "kind": "arxiv",
    "version": 1
  }
}