Pith Number

pith:S7AYAVHM

pith:2013:S7AYAVHM7GQN2LNQHJEJZBG3IG

not attested not anchored not stored refs pending

Greedy type algorithms for RIP matrices. A study of two selection rules

Daniel Vera, Eugenio Hern\'andez

arxiv:1305.6954 v1 · 2013-05-29 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7AYAVHM7GQN2LNQHJEJZBG3IG}

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	2026-05-18T03:22:16.780394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c18054ecf9a0dd2db03a489c84db41ac42b7399d312af978ccd54040bae569

Aliases

arxiv: 1305.6954 · arxiv_version: 1305.6954v1 · doi: 10.48550/arxiv.1305.6954 · pith_short_12: S7AYAVHM7GQN · pith_short_16: S7AYAVHM7GQN2LNQ · pith_short_8: S7AYAVHM

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/S7AYAVHM7GQN2LNQHJEJZBG3IG \
  | 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: 97c18054ecf9a0dd2db03a489c84db41ac42b7399d312af978ccd54040bae569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b53c640058c780ece4f79a6cf3d7c9b3cfbb92d492e1cc68d1ea7ffe5cd4e57d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-29T21:15:48Z",
    "title_canon_sha256": "8a57890f837ae2b88d0f302fc08c363942e50ae51ae8145066a49d70038fde28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6954",
    "kind": "arxiv",
    "version": 1
  }
}