Pith Number

pith:INYU3TYC

pith:2018:INYU3TYCZWLXZMEEP5BADTGFUI

not attested not anchored not stored refs pending

A note on Gorenstein spaces

Steve Halperin, Yves Felix

arxiv:1812.09686 v1 · 2018-12-23 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INYU3TYCZWLXZMEEP5BADTGFUI}

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	2026-05-17T23:57:27.108013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43714dcf02cd977cb0847f4201ccc5a21519f7b81d5e9a33c97c42f035492b9e

Aliases

arxiv: 1812.09686 · arxiv_version: 1812.09686v1 · doi: 10.48550/arxiv.1812.09686 · pith_short_12: INYU3TYCZWLX · pith_short_16: INYU3TYCZWLXZMEE · pith_short_8: INYU3TYC

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/INYU3TYCZWLXZMEEP5BADTGFUI \
  | 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: 43714dcf02cd977cb0847f4201ccc5a21519f7b81d5e9a33c97c42f035492b9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9b2bec3d800b28a1c2cb421376fc911e8c14699c536f922b0602f4e69f902b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-12-23T10:39:13Z",
    "title_canon_sha256": "c6f6402c88dd542b7dd68c93e3e657d53ee27790437d50a56b94c98b18e9abad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09686",
    "kind": "arxiv",
    "version": 1
  }
}