Pith Number

pith:B3JMNDNA

pith:2017:B3JMNDNALJJ5FB4CTRLH66Y6EK

not attested not anchored not stored refs pending

Orthogonal structure on a wedge and on the boundary of a square

Sheehan Olver, Yuan Xu

arxiv:1710.08654 v2 · 2017-10-24 · math.CA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3JMNDNALJJ5FB4CTRLH66Y6EK}

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	2026-05-18T00:11:28.946758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ed2c68da05a53d287829c567f7b1e229bf7ba094953ccbfd02c8ffb97b027f5

Aliases

arxiv: 1710.08654 · arxiv_version: 1710.08654v2 · doi: 10.48550/arxiv.1710.08654 · pith_short_12: B3JMNDNALJJ5 · pith_short_16: B3JMNDNALJJ5FB4C · pith_short_8: B3JMNDNA

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/B3JMNDNALJJ5FB4CTRLH66Y6EK \
  | 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: 0ed2c68da05a53d287829c567f7b1e229bf7ba094953ccbfd02c8ffb97b027f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5f3fefca46c05cbb12d0b815d6be6330a82804794090e565bfe7e5a26bc62d",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-10-24T08:45:56Z",
    "title_canon_sha256": "a352b94f996720b57ad86dfed0aaa039474f70e8c95ab25cd5f64ab2e09c2c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08654",
    "kind": "arxiv",
    "version": 2
  }
}