Pith Number

pith:43JBOIKE

pith:2016:43JBOIKESOB3KBD3SBXZRZI6SH

not attested not anchored not stored refs pending

Goal-oriented optimal approximations of Bayesian linear inverse problems

Alessio Spantini, Karen Willcox, Luis Tenorio, Tiangang Cui, Youssef Marzouk

arxiv:1607.01881 v2 · 2016-07-07 · stat.ME · math.NA · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43JBOIKESOB3KBD3SBXZRZI6SH}

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	2026-05-18T00:48:42.602168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d21721449383b5047b906f98e51e91f7c45c8af4a5a200ce57cb140ea58d70

Aliases

arxiv: 1607.01881 · arxiv_version: 1607.01881v2 · doi: 10.48550/arxiv.1607.01881 · pith_short_12: 43JBOIKESOB3 · pith_short_16: 43JBOIKESOB3KBD3 · pith_short_8: 43JBOIKE

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/43JBOIKESOB3KBD3SBXZRZI6SH \
  | 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: e6d21721449383b5047b906f98e51e91f7c45c8af4a5a200ce57cb140ea58d70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ae19082c08679891c626515242ff7b63c1717cd96f9c88779af0a8956de777",
    "cross_cats_sorted": [
      "math.NA",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-07-07T06:36:31Z",
    "title_canon_sha256": "5a8c44dac91f493d4c2d327568606b8f3737ce21a1bb671d34988a0c0c9c50a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01881",
    "kind": "arxiv",
    "version": 2
  }
}