Pith Number

pith:Z6IDFUGU

pith:2016:Z6IDFUGU522YBRIGNS3CHV6XJX

not attested not anchored not stored refs pending

Toric Degeneration of Bott-Samelson-Demazure-Hansen varieties

A.J Parameswaran, Paramasamy Karuppuchamy

arxiv:1604.01998 v1 · 2016-04-07 · 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{Z6IDFUGU522YBRIGNS3CHV6XJX}

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	2026-05-18T01:17:31.470558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf9032d0d4eeb580c5066cb623d7d74de38203c4d49779d7afea009b433d1849

Aliases

arxiv: 1604.01998 · arxiv_version: 1604.01998v1 · doi: 10.48550/arxiv.1604.01998 · pith_short_12: Z6IDFUGU522Y · pith_short_16: Z6IDFUGU522YBRIG · pith_short_8: Z6IDFUGU

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/Z6IDFUGU522YBRIGNS3CHV6XJX \
  | 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: cf9032d0d4eeb580c5066cb623d7d74de38203c4d49779d7afea009b433d1849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4da18509bc60e167be5bca02240615b0cecc12639f982612117a97c605703db5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-04-07T13:51:11Z",
    "title_canon_sha256": "5c1ea6d584889c160cb8391e6f435716b70cef373416e9face2ec201b0c5129b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01998",
    "kind": "arxiv",
    "version": 1
  }
}