Pith Number

pith:P4DIU2QI

pith:2016:P4DIU2QISTZ2R4RFN7HKC6CCCC

not attested not anchored not stored refs pending

Unique continuation for fractional orders of elliptic equations

Hui Yu

arxiv:1609.01376 v3 · 2016-09-06 · 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{P4DIU2QISTZ2R4RFN7HKC6CCCC}

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	2026-05-18T00:36:33.171690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f068a6a0894f3a8f2256fcea178421084e4de184ab2e8ab7ecb42d5aa95849a

Aliases

arxiv: 1609.01376 · arxiv_version: 1609.01376v3 · doi: 10.48550/arxiv.1609.01376 · pith_short_12: P4DIU2QISTZ2 · pith_short_16: P4DIU2QISTZ2R4RF · pith_short_8: P4DIU2QI

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/P4DIU2QISTZ2R4RFN7HKC6CCCC \
  | 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: 7f068a6a0894f3a8f2256fcea178421084e4de184ab2e8ab7ecb42d5aa95849a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15b9e93deca0e37bd7c7a7cdfc8ba8e7ee1b2472cc985d6946d5fb93a4550bcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-09-06T03:13:18Z",
    "title_canon_sha256": "78e3c84acc347f466d6912422de07ddd2803eb2d2dfaa0faec9efa72af72fd5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01376",
    "kind": "arxiv",
    "version": 3
  }
}