Pith Number

pith:C7JATB6M

pith:2015:C7JATB6M3FK3EJQA46TPS5PTAH

not attested not anchored not stored refs pending

Stability of Observations of Partial Differential Equations under Uncertain Perturbations

Martin Lazar

arxiv:1502.00663 v1 · 2015-01-30 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7JATB6M3FK3EJQA46TPS5PTAH}

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	2026-05-18T02:28:04.631719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d20987ccd955b22600e7a6f975f301f40209c75506e064b481a988fa66c31f

Aliases

arxiv: 1502.00663 · arxiv_version: 1502.00663v1 · doi: 10.48550/arxiv.1502.00663 · pith_short_12: C7JATB6M3FK3 · pith_short_16: C7JATB6M3FK3EJQA · pith_short_8: C7JATB6M

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/C7JATB6M3FK3EJQA46TPS5PTAH \
  | 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: 17d20987ccd955b22600e7a6f975f301f40209c75506e064b481a988fa66c31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e8ed42c28b0ff48e32fef824a5fd827f7ae5a207d95c7a7a94e1b0c36c928c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-01-30T09:54:35Z",
    "title_canon_sha256": "a500696e59f9294e65a49a4585bb41a6e7bd36c600446c85fa26140b8c4cc79a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00663",
    "kind": "arxiv",
    "version": 1
  }
}