Pith Number

pith:2QCA2CO3

pith:2017:2QCA2CO35DFIGH7C47YCPLRZ5M

not attested not anchored not stored refs pending

Covariance Estimation via Fiducial Inference

Jan Hannig, Randy C.S. Lai, Thomas C.M. Lee, W. Jenny Shi

arxiv:1708.04929 v1 · 2017-08-16 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QCA2CO35DFIGH7C47YCPLRZ5M}

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	2026-05-18T00:37:55.166990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4040d09dbe8ca831fe2e7f027ae39eb14a1c50dc13838c103c6b7e59ee66d02

Aliases

arxiv: 1708.04929 · arxiv_version: 1708.04929v1 · doi: 10.48550/arxiv.1708.04929 · pith_short_12: 2QCA2CO35DFI · pith_short_16: 2QCA2CO35DFIGH7C · pith_short_8: 2QCA2CO3

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/2QCA2CO35DFIGH7C47YCPLRZ5M \
  | 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: d4040d09dbe8ca831fe2e7f027ae39eb14a1c50dc13838c103c6b7e59ee66d02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4060218b5a325aa2ec6081ef3f6103de0405039c253e116bfa2a60c24a85324",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-08-16T15:20:01Z",
    "title_canon_sha256": "f9f354313e5e7f2fcd4f152fbe74c60b6e2c69268fd27236a12b9fa7af34c4ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04929",
    "kind": "arxiv",
    "version": 1
  }
}