Pith Number

pith:N6NU3FC7

pith:2009:N6NU3FC7TXGKL5Z5ECJUVWROTN

not attested not anchored not stored refs pending

Markov uniqueness of degenerate elliptic operators

Adam Sikora, Derek W. Robinson

arxiv:0912.4536 v1 · 2009-12-22 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6NU3FC7TXGKL5Z5ECJUVWROTN}

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	2026-05-18T03:03:33.126045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f9b4d945f9dcca5f73d20934ada2e9b75df1f43b2c5fc28e553fd1a3df0c2b5

Aliases

arxiv: 0912.4536 · arxiv_version: 0912.4536v1 · doi: 10.48550/arxiv.0912.4536 · pith_short_12: N6NU3FC7TXGK · pith_short_16: N6NU3FC7TXGKL5Z5 · pith_short_8: N6NU3FC7

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/N6NU3FC7TXGKL5Z5ECJUVWROTN \
  | 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: 6f9b4d945f9dcca5f73d20934ada2e9b75df1f43b2c5fc28e553fd1a3df0c2b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "048e0fe1049c0539c46253c8045cf77fda788cf15c9a23dcb5a5ae65cbfb79ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-12-22T23:34:03Z",
    "title_canon_sha256": "a97a866ba76baa876ad0b1f20ebf65a7dd3d6369907d59d5d3975b70e8a88944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4536",
    "kind": "arxiv",
    "version": 1
  }
}