Pith Number

pith:GXD6NTRF

pith:2019:GXD6NTRFUCEO4ZIKURPF7IXBKK

not attested not anchored not stored refs pending

Submodular Observation Selection and Information Gathering for Quadratic Models

Abolfazl Hashemi, Haris Vikalo, Mahsa Ghasemi, Ufuk Topcu

arxiv:1905.09919 v1 · 2019-05-23 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXD6NTRFUCEO4ZIKURPF7IXBKK}

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	2026-05-17T23:45:14.011190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c7e6ce25a088ee650aa45e5fa2e1528ca361479f9905b4d0d2a62025a6889a

Aliases

arxiv: 1905.09919 · arxiv_version: 1905.09919v1 · doi: 10.48550/arxiv.1905.09919 · pith_short_12: GXD6NTRFUCEO · pith_short_16: GXD6NTRFUCEO4ZIK · pith_short_8: GXD6NTRF

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/GXD6NTRFUCEO4ZIKURPF7IXBKK \
  | 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: 35c7e6ce25a088ee650aa45e5fa2e1528ca361479f9905b4d0d2a62025a6889a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "965309902b51287e6a88fbeea97f7216ed566a144413750312ce866a4224ea8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-23T20:55:32Z",
    "title_canon_sha256": "20fb4c30b690955757d703c39853461abe604a97e6f1e0e1db26b607fe093fbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09919",
    "kind": "arxiv",
    "version": 1
  }
}