Pith Number

pith:3S3F7ZA5

pith:2016:3S3F7ZA5S6ZK6HOGB2JTTAFWRD

not attested not anchored not stored refs pending

Imposing various boundary conditions on positive definite kernels

Babak Azarnavid, Kourosh Parand, Mahdi Emamjome, Mohammad Nabati

arxiv:1611.07292 v3 · 2016-11-22 · math.NA · cs.NA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3S3F7ZA5S6ZK6HOGB2JTTAFWRD}

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	2026-05-17T23:43:09.675215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb65fe41d97b2af1dc60e933980b688d30f0634f1d7d3681a63806866b13c34

Aliases

arxiv: 1611.07292 · arxiv_version: 1611.07292v3 · doi: 10.48550/arxiv.1611.07292 · pith_short_12: 3S3F7ZA5S6ZK · pith_short_16: 3S3F7ZA5S6ZK6HOG · pith_short_8: 3S3F7ZA5

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/3S3F7ZA5S6ZK6HOGB2JTTAFWRD \
  | 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: dcb65fe41d97b2af1dc60e933980b688d30f0634f1d7d3681a63806866b13c34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df7a92ff3b1c4f928d87fcd58e47ac2d6a78acad7cb211fc59200016e7ea4106",
    "cross_cats_sorted": [
      "cs.NA",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-22T13:26:13Z",
    "title_canon_sha256": "4ba7960ca03b2bcd06f3ec772c77571c8649183f981320aa0386d1471d981f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07292",
    "kind": "arxiv",
    "version": 3
  }
}