Pith Number

pith:U6FHGRHI

pith:2014:U6FHGRHIOBMQDQ5GYLNSUSAY53

not attested not anchored not stored refs pending

On discrete least square projection in unbounded domain with random evaluations and its application to parametric uncertainty quantification

Tao Tang, Tao Zhou

arxiv:1403.6579 v1 · 2014-03-26 · 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{U6FHGRHIOBMQDQ5GYLNSUSAY53}

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	2026-05-18T02:55:28.598961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78a7344e8705901c3a6c2db2a4818eec504b57f6bbc91b2e33cdd9df66e0f46

Aliases

arxiv: 1403.6579 · arxiv_version: 1403.6579v1 · doi: 10.48550/arxiv.1403.6579 · pith_short_12: U6FHGRHIOBMQ · pith_short_16: U6FHGRHIOBMQDQ5G · pith_short_8: U6FHGRHI

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/U6FHGRHIOBMQDQ5GYLNSUSAY53 \
  | 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: a78a7344e8705901c3a6c2db2a4818eec504b57f6bbc91b2e33cdd9df66e0f46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c11d152c2a38f73f6d2786433dcd517a9117ae88cf46ba61950ec88242424cb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-26T07:17:39Z",
    "title_canon_sha256": "1b1db180848ed5345e053c78192c7729f3946376f14654fc34888b443735f653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6579",
    "kind": "arxiv",
    "version": 1
  }
}