Pith Number

pith:I352QE7M

pith:2014:I352QE7MRE52X4XRZ6SKGZDLU3

not attested not anchored not stored refs pending

An adaptive observer for wave equation's source estimation

Chadia Zayane-Aissa, Sharefa Asiri, Taous-Meriem Laleg-Kirati

arxiv:1401.4646 v1 · 2014-01-19 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I352QE7MRE52X4XRZ6SKGZDLU3}

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	2026-05-18T03:01:45.057038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46fba813ec893babf2f1cfa4a3646ba6ea6cba2cca36a7569f0035d8af2c849a

Aliases

arxiv: 1401.4646 · arxiv_version: 1401.4646v1 · doi: 10.48550/arxiv.1401.4646 · pith_short_12: I352QE7MRE52 · pith_short_16: I352QE7MRE52X4XR · pith_short_8: I352QE7M

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/I352QE7MRE52X4XRZ6SKGZDLU3 \
  | 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: 46fba813ec893babf2f1cfa4a3646ba6ea6cba2cca36a7569f0035d8af2c849a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15789341083cfcd1e68cc24b4deda1819af55be77ad98c363e5a87ddb67bc413",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-19T08:39:11Z",
    "title_canon_sha256": "dea1e9e0224480f97bf97b0d213123bf70b0309714300813f4da97758df5317f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4646",
    "kind": "arxiv",
    "version": 1
  }
}