Pith Number

pith:NJVYQDTM

pith:2019:NJVYQDTMMDFCF5CGGZ7R7ODMN2

not attested not anchored not stored refs pending

An algebraic-geometric construction of ind-varieties of generalized flags

A. Tikhomirov, I. Penkov

arxiv:1910.12005 v2 · 2019-10-26 · 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{NJVYQDTMMDFCF5CGGZ7R7ODMN2}

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	2026-07-05T00:16:39.379911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6b880e6c60ca22f446367f1fb86c6e97e6df37aecf275d4a41345897119116

Aliases

arxiv: 1910.12005 · arxiv_version: 1910.12005v2 · doi: 10.48550/arxiv.1910.12005 · pith_short_12: NJVYQDTMMDFC · pith_short_16: NJVYQDTMMDFCF5CG · pith_short_8: NJVYQDTM

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/NJVYQDTMMDFCF5CGGZ7R7ODMN2 \
  | 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: 6a6b880e6c60ca22f446367f1fb86c6e97e6df37aecf275d4a41345897119116

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbedad65b264e89d2374d315798141002711a6e9cb5545b1c01a5fa36fcb37a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-10-26T05:53:45Z",
    "title_canon_sha256": "abddc2b44376d8bc464d2ea9b28657f89c35d0cc16ae03126fa57a5fb1c488d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12005",
    "kind": "arxiv",
    "version": 2
  }
}