Pith Number

pith:E3KMHJNW

pith:2017:E3KMHJNWO3Z4PR3BLJ67D7N4HF

not attested not anchored not stored refs pending

Equivariant APS index for Dirac operators of non-product type near the boundary

Gideon Maschler, Maxim Braverman

arxiv:1702.08105 v2 · 2017-02-26 · 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{E3KMHJNWO3Z4PR3BLJ67D7N4HF}

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	2026-05-18T00:34:57.483500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26d4c3a5b676f3c7c7615a7df1fdbc396aaf20962fffeec5df684b9b4a8339cb

Aliases

arxiv: 1702.08105 · arxiv_version: 1702.08105v2 · doi: 10.48550/arxiv.1702.08105 · pith_short_12: E3KMHJNWO3Z4 · pith_short_16: E3KMHJNWO3Z4PR3B · pith_short_8: E3KMHJNW

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/E3KMHJNWO3Z4PR3BLJ67D7N4HF \
  | 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: 26d4c3a5b676f3c7c7615a7df1fdbc396aaf20962fffeec5df684b9b4a8339cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "376fe7f484e19729ae2650ddd39fcf6cbd2eb22a99976f08ad66b159d9d2b414",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-02-26T22:40:39Z",
    "title_canon_sha256": "6676b360d477039d3fdc4dbc18f5a76da7d147c7a67386d3f43b9fde15640b60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08105",
    "kind": "arxiv",
    "version": 2
  }
}