Pith Number

pith:HOFCVBGQ

pith:2017:HOFCVBGQTA6ZHKOAX3BLITHB2C

not attested not anchored not stored refs pending

Anisotropic, interpolatory subdivision and multigrid

Lucia Romani, Marco Donatelli, Maria Charina, Valentina Turati

arxiv:1708.03469 v1 · 2017-08-11 · 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{HOFCVBGQTA6ZHKOAX3BLITHB2C}

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	2026-05-18T00:38:13.041551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8a2a84d0983d93a9c0bec2b44ce1d0aa64818080b357a0beefa65393cab798

Aliases

arxiv: 1708.03469 · arxiv_version: 1708.03469v1 · doi: 10.48550/arxiv.1708.03469 · pith_short_12: HOFCVBGQTA6Z · pith_short_16: HOFCVBGQTA6ZHKOA · pith_short_8: HOFCVBGQ

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/HOFCVBGQTA6ZHKOAX3BLITHB2C \
  | 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: 3b8a2a84d0983d93a9c0bec2b44ce1d0aa64818080b357a0beefa65393cab798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31802515f8a5d7ac0f8380f37bf0eb55f8f9d7f3b772501260e0c7694b5a84e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-11T08:28:09Z",
    "title_canon_sha256": "7d4b1c39d91726e07bb6bcde4313b7bba8cc2663a7304ffbe56ccc91740b35ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03469",
    "kind": "arxiv",
    "version": 1
  }
}