Pith Number

pith:DAXOKNGB

pith:2017:DAXOKNGBNSSHD2RDCMNSIGYCNK

not attested not anchored not stored refs pending

Compressed sensing approaches for polynomial approximation of high-dimensional functions

Ben Adcock, Clayton G. Webster, Simone Brugiapaglia

arxiv:1703.06987 v2 · 2017-03-20 · 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{DAXOKNGBNSSHD2RDCMNSIGYCNK}

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	2026-05-18T00:42:43.732696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

182ee534c16ca471ea23131b241b026ab83ae7bb5282ec0c3289ceefa5ee014d

Aliases

arxiv: 1703.06987 · arxiv_version: 1703.06987v2 · doi: 10.48550/arxiv.1703.06987 · pith_short_12: DAXOKNGBNSSH · pith_short_16: DAXOKNGBNSSHD2RD · pith_short_8: DAXOKNGB

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/DAXOKNGBNSSHD2RDCMNSIGYCNK \
  | 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: 182ee534c16ca471ea23131b241b026ab83ae7bb5282ec0c3289ceefa5ee014d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48ec84d7cfb0b320c77a78e975712a4c5959340ed88e9141ad7d23f8d70adb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-20T22:14:40Z",
    "title_canon_sha256": "a07ea35917984cd8c4212f86ec387c3d68bd92890c1ad3d471bac2b8c0a6a65c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06987",
    "kind": "arxiv",
    "version": 2
  }
}