Pith Number

pith:YWNQWVVY

pith:2016:YWNQWVVYSGTMGGTFUYEYX4LUZQ

not attested not anchored not stored refs pending

Integration based profile likelihood calculation for PDE constrained parameter estimation problems

Barbara Kaltenbacher, Jan Hasenauer, Romana Boiger, Sabrina Hross

arxiv:1604.02894 v1 · 2016-04-11 · 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{YWNQWVVYSGTMGGTFUYEYX4LUZQ}

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	2026-05-18T00:54:36.988930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c59b0b56b891a6c31a65a6098bf174cc24968ea3a334b92ee4072b8f5a90cb4a

Aliases

arxiv: 1604.02894 · arxiv_version: 1604.02894v1 · doi: 10.48550/arxiv.1604.02894 · pith_short_12: YWNQWVVYSGTM · pith_short_16: YWNQWVVYSGTMGGTF · pith_short_8: YWNQWVVY

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/YWNQWVVYSGTMGGTFUYEYX4LUZQ \
  | 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: c59b0b56b891a6c31a65a6098bf174cc24968ea3a334b92ee4072b8f5a90cb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d2f7ffdd909dfed0085637ecab248e3edbdb7f19cc90438eaeabcf9ab82e452",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-04-11T11:39:29Z",
    "title_canon_sha256": "d6c0864b6f03d1495246339a9e19fbaf3cff039e39a671e2459a46bd6918218a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02894",
    "kind": "arxiv",
    "version": 1
  }
}