Pith Number

pith:XIPTASAK

pith:2024:XIPTASAKOSDWEQ3HT4DYMYOPVN

not attested not anchored not stored refs pending

GS-PINN: Greedy Sampling for Parameter Estimation in Partial Differential Equations

Ali Forootani, Harshit Kapadia, Pawan Goyal, Peter Benner, Sridhar Chellappa

arxiv:2405.08537 v1 · 2024-05-14 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIPTASAKOSDWEQ3HT4DYMYOPVN}

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.

Cited by

1 paper in Pith

Adaptive Collocation Point Strategies For Physics Informed Neural Networks via the QR Discrete Empirical Interpolation Method

Receipt and verification

First computed	2026-07-05T08:19:01.866634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba1f30480a74876243679f078661cfab55acc1b88e4c9d0999df14c744240ba0

Aliases

arxiv: 2405.08537 · arxiv_version: 2405.08537v1 · doi: 10.48550/arxiv.2405.08537 · pith_short_12: XIPTASAKOSDW · pith_short_16: XIPTASAKOSDWEQ3H · pith_short_8: XIPTASAK

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/XIPTASAKOSDWEQ3HT4DYMYOPVN \
  | 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: ba1f30480a74876243679f078661cfab55acc1b88e4c9d0999df14c744240ba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc977661b8a5721f7dea0d918fa736a0113082abb678a48194e70c406511f61b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2024-05-14T12:21:08Z",
    "title_canon_sha256": "4da5a853a93b15f7cf991e0e0bca3277a9b75692ee6184183778b9d79117cc66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.08537",
    "kind": "arxiv",
    "version": 1
  }
}