Pith Number

pith:TLDCJUIX

pith:2013:TLDCJUIXPCGI7EXDFGUOCNVXEP

not attested not anchored not stored refs pending

Quadric invariants and degeneration in smooth-etale cohomology

Nitin Nitsure, Saurav Bhaumik

arxiv:1302.0092 v2 · 2013-02-01 · 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{TLDCJUIXPCGI7EXDFGUOCNVXEP}

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	2026-05-18T03:27:13.500111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ac624d117788c8f92e329a8e136b723c29f0965e895d5adc37936aa09dbc8a1

Aliases

arxiv: 1302.0092 · arxiv_version: 1302.0092v2 · doi: 10.48550/arxiv.1302.0092 · pith_short_12: TLDCJUIXPCGI · pith_short_16: TLDCJUIXPCGI7EXD · pith_short_8: TLDCJUIX

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/TLDCJUIXPCGI7EXDFGUOCNVXEP \
  | 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: 9ac624d117788c8f92e329a8e136b723c29f0965e895d5adc37936aa09dbc8a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e750d1537453fb6923b44a4feb52ccdf7d54cae04c471e8e88ab5706935987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-01T06:29:58Z",
    "title_canon_sha256": "586b6d8d3cef8b669fe2f052a643db88f3685791a476d9fa52a49c1719453725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0092",
    "kind": "arxiv",
    "version": 2
  }
}