Pith Number

pith:PSAO66WT

pith:2013:PSAO66WT6FDZTDD2JI7T42JLM2

not attested not anchored not stored refs pending

On local convergence of the method of alternating projections

Aude Rondepierre, Dominikus Noll

arxiv:1312.5681 v2 · 2013-12-19 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSAO66WT6FDZTDD2JI7T42JLM2}

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	2026-05-18T02:41:41.952222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c80ef7ad3f147998c7a4a3f3e692b66a8f67ce7994db55dab61ac12945854e5

Aliases

arxiv: 1312.5681 · arxiv_version: 1312.5681v2 · doi: 10.48550/arxiv.1312.5681 · pith_short_12: PSAO66WT6FDZ · pith_short_16: PSAO66WT6FDZTDD2 · pith_short_8: PSAO66WT

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/PSAO66WT6FDZTDD2JI7T42JLM2 \
  | 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: 7c80ef7ad3f147998c7a4a3f3e692b66a8f67ce7994db55dab61ac12945854e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad2e578acf1c3233a36738507cefe33bf5527f7907fa80c754073b5eb5ac4f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-19T18:15:11Z",
    "title_canon_sha256": "c787072d1f93c1a1aa648fa6a62089a16d773007f816d5481a6a01d9a23513e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5681",
    "kind": "arxiv",
    "version": 2
  }
}