Pith Number

pith:ARYJKUW5

pith:2018:ARYJKUW55F2N27QBUAP6POYOSQ

not attested not anchored not stored refs pending

Toric topology of the complex Grassmann manifolds

Svjetlana Terzic, Victor M. Buchstaber

arxiv:1802.06449 v4 · 2018-02-18 · 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{ARYJKUW55F2N27QBUAP6POYOSQ}

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	2026-05-17T23:40:41.901562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04709552dde974dd7e01a01fe7bb0e940012df0966e58038cb2f1d716ab7008f

Aliases

arxiv: 1802.06449 · arxiv_version: 1802.06449v4 · doi: 10.48550/arxiv.1802.06449 · pith_short_12: ARYJKUW55F2N · pith_short_16: ARYJKUW55F2N27QB · pith_short_8: ARYJKUW5

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/ARYJKUW55F2N27QBUAP6POYOSQ \
  | 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: 04709552dde974dd7e01a01fe7bb0e940012df0966e58038cb2f1d716ab7008f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e619a86bf661d27307f497c17cebd6cd4113847b1b6c869b352d451f999739e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-02-18T21:21:15Z",
    "title_canon_sha256": "5f568a2e87d65bc0a578c8ccff55ea5b84cd9a060f7c0ce0b9b72eb55dbe7702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06449",
    "kind": "arxiv",
    "version": 4
  }
}