Pith Number

pith:6A6TJPTQ

pith:2017:6A6TJPTQVXK67IYCYCPYP6ZPJT

not attested not anchored not stored refs pending

Adaptive PBDW approach to state estimation: noisy observations; user-defined update spaces

Tommaso Taddei, Yvon Maday

arxiv:1712.09594 v1 · 2017-12-27 · 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{6A6TJPTQVXK67IYCYCPYP6ZPJT}

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	2026-05-18T00:27:07.892063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f03d34be70add5efa302c09f87fb2f4ce5c325573a6e08d468a59a321a144044

Aliases

arxiv: 1712.09594 · arxiv_version: 1712.09594v1 · doi: 10.48550/arxiv.1712.09594 · pith_short_12: 6A6TJPTQVXK6 · pith_short_16: 6A6TJPTQVXK67IYC · pith_short_8: 6A6TJPTQ

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/6A6TJPTQVXK67IYCYCPYP6ZPJT \
  | 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: f03d34be70add5efa302c09f87fb2f4ce5c325573a6e08d468a59a321a144044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224fc8c543ba6b31bc675c27b6f704713add6d9e9e769a4f32d52ceb43914822",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-27T15:02:17Z",
    "title_canon_sha256": "68ee36b5bb884e2c74f59f8eecb922221792e5ec06b155683ee3f2c4b39ef77f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09594",
    "kind": "arxiv",
    "version": 1
  }
}