Pith Number

pith:UAKCZIAA

pith:2016:UAKCZIAALTYB6VRX6TTL5YJU4L

not attested not anchored not stored refs pending

Adaptive Approximation of Functions with Discontinuities

Licia Lenarduzzi, Robert Schaback

arxiv:1612.07553 v1 · 2016-12-22 · 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{UAKCZIAALTYB6VRX6TTL5YJU4L}

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	2026-05-18T00:54:09.765671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0142ca0005cf01f5637f4e6bee134e2eb54715bcb78cd3993479898e7cf021c

Aliases

arxiv: 1612.07553 · arxiv_version: 1612.07553v1 · doi: 10.48550/arxiv.1612.07553 · pith_short_12: UAKCZIAALTYB · pith_short_16: UAKCZIAALTYB6VRX · pith_short_8: UAKCZIAA

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/UAKCZIAALTYB6VRX6TTL5YJU4L \
  | 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: a0142ca0005cf01f5637f4e6bee134e2eb54715bcb78cd3993479898e7cf021c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a6274d1f5ccfa8ac926bb908f70b7afd5ae28ccb95b4a75390f20524c7439b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-22T11:48:33Z",
    "title_canon_sha256": "fa42cd1fff55dcf89390003cf5cae0f0e34834f7472a2f01e4d79f7a71799ea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07553",
    "kind": "arxiv",
    "version": 1
  }
}