Pith Number

pith:WCDE6ZVY

pith:2026:WCDE6ZVYDPRFZ6IGBTWF2E3WR6

not attested not anchored not stored refs pending

Parametric elliptic reconstructions and a posteriori error estimates for parabolic partial differential equations with small randomness in a Robin boundary condition

Amiya Kumar Pani, Gujji Murali Mohan Reddy, Nakidi Shravani, Stig Larsson

arxiv:2606.25640 v1 · 2026-06-24 · math.NA · cs.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{WCDE6ZVYDPRFZ6IGBTWF2E3WR6}

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	2026-06-25T01:18:11.436673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0864f66b81be25cf9060cec5d13768fa0d8560330f38686d1e0d4118bd5a6f4

Aliases

arxiv: 2606.25640 · arxiv_version: 2606.25640v1 · doi: 10.48550/arxiv.2606.25640 · pith_short_12: WCDE6ZVYDPRF · pith_short_16: WCDE6ZVYDPRFZ6IG · pith_short_8: WCDE6ZVY

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/WCDE6ZVYDPRFZ6IGBTWF2E3WR6 \
  | 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: b0864f66b81be25cf9060cec5d13768fa0d8560330f38686d1e0d4118bd5a6f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed5ed16e2b86f6eb4fe18d800d06b127fff6a07ca81628adb14faa8e271d4b51",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-24T09:49:22Z",
    "title_canon_sha256": "bfea431f47b0861c24e621e70b1607a6dad82ed0802e21f170f2f5c3c0acc984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25640",
    "kind": "arxiv",
    "version": 1
  }
}