Pith Number

pith:QZX3V7II

pith:2017:QZX3V7IIJNJBY5TAG32FP2HZFP

not attested not anchored not stored refs pending

On the lower bounds of the L^2-norm of the Hermitian scalar curvature

Julien Keller, Mehdi Lejmi

arxiv:1702.01810 v1 · 2017-02-06 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZX3V7IIJNJBY5TAG32FP2HZFP}

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	2026-05-18T00:51:11.199614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

866fbafd084b521c766036f457e8f92bdc9211e6f57bda84cf78be3bf19a4c63

Aliases

arxiv: 1702.01810 · arxiv_version: 1702.01810v1 · doi: 10.48550/arxiv.1702.01810 · pith_short_12: QZX3V7IIJNJB · pith_short_16: QZX3V7IIJNJBY5TA · pith_short_8: QZX3V7II

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/QZX3V7IIJNJBY5TAG32FP2HZFP \
  | 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: 866fbafd084b521c766036f457e8f92bdc9211e6f57bda84cf78be3bf19a4c63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72cda9a4cecbce1ca4d20c03e5753057fcec269186abd41aeb6b36fe66125f75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-02-06T22:31:47Z",
    "title_canon_sha256": "82c870e6baaffb4f7bdb17e885035a35921ebc9a679fe879cb0cd22b20061ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01810",
    "kind": "arxiv",
    "version": 1
  }
}