Pith Number

pith:PFU4GVXU

pith:2019:PFU4GVXUCBOESOVKHAXEBZQLV2

not attested not anchored not stored refs pending

On the Cohomology Ring of Real Moment-Angle Complexes

Elizabeth Vidaurre

arxiv:1906.00783 v2 · 2019-05-30 · 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{PFU4GVXUCBOESOVKHAXEBZQLV2}

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	2026-05-17T23:43:32.557157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7969c356f4105c493aaa382e40e60baebbc2e1a36b1a825912339f6d65dde05c

Aliases

arxiv: 1906.00783 · arxiv_version: 1906.00783v2 · doi: 10.48550/arxiv.1906.00783 · pith_short_12: PFU4GVXUCBOE · pith_short_16: PFU4GVXUCBOESOVK · pith_short_8: PFU4GVXU

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/PFU4GVXUCBOESOVKHAXEBZQLV2 \
  | 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: 7969c356f4105c493aaa382e40e60baebbc2e1a36b1a825912339f6d65dde05c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c57cecb69053003ab86d6dd49d6f49be4ad7127f89a7517a00cbae91aa8333b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-05-30T18:15:43Z",
    "title_canon_sha256": "4fdf9e64b334195e3298e62bdaa154f01b8e48c0818cd81aab04237dc151377a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00783",
    "kind": "arxiv",
    "version": 2
  }
}