Pith Number

pith:DQ2W57YC

pith:2017:DQ2W57YCQSN7BNZNX77ZLTTKY3

not attested not anchored not stored refs pending

Parametric Polynomial Preserving Recovery on Manifolds

Guozhi Dong, Hailong Guo

arxiv:1703.06509 v3 · 2017-03-19 · math.NA · 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{DQ2W57YCQSN7BNZNX77ZLTTKY3}

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	2026-05-17T23:51:34.691541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c356eff02849bf0b72dbfff95ce6ac6dc97560b74a4f279941a4cbc7a034079

Aliases

arxiv: 1703.06509 · arxiv_version: 1703.06509v3 · doi: 10.48550/arxiv.1703.06509 · pith_short_12: DQ2W57YCQSN7 · pith_short_16: DQ2W57YCQSN7BNZN · pith_short_8: DQ2W57YC

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/DQ2W57YCQSN7BNZNX77ZLTTKY3 \
  | 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: 1c356eff02849bf0b72dbfff95ce6ac6dc97560b74a4f279941a4cbc7a034079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "debe74ab41c974cd175676b7cfcb44fef18e666392605aefbadadab71372e9c6",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-19T20:57:20Z",
    "title_canon_sha256": "999fab68749292d723b7798f05ab5d9d78175692b567f9a5446eb45807a343eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06509",
    "kind": "arxiv",
    "version": 3
  }
}