Pith Number

pith:YPDLHZT6

pith:2013:YPDLHZT6KXZZVCWAWDWD2JVELU

not attested not anchored not stored refs pending

The Cyclic Douglas-Rachford Method for Inconsistent Feasibility Problems

Jonathan M. Borwein, Matthew K. Tam

arxiv:1310.2195 v3 · 2013-10-08 · 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{YPDLHZT6KXZZVCWAWDWD2JVELU}

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	2026-05-18T00:15:02.669520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c6b3e67e55f39a8ac0b0ec3d26a45d17dbabd377c021ec302af5bd7e30b3b4

Aliases

arxiv: 1310.2195 · arxiv_version: 1310.2195v3 · doi: 10.48550/arxiv.1310.2195 · pith_short_12: YPDLHZT6KXZZ · pith_short_16: YPDLHZT6KXZZVCWA · pith_short_8: YPDLHZT6

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/YPDLHZT6KXZZVCWAWDWD2JVELU \
  | 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: c3c6b3e67e55f39a8ac0b0ec3d26a45d17dbabd377c021ec302af5bd7e30b3b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3342af5edbbc1338e15f71be70db47de69591e635a1a324edc1e7fbe61235cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-10-08T17:09:11Z",
    "title_canon_sha256": "98fac0d0c2541d5224da1a75b671926d2654ff937e2d7cd6b1346ad272c773f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2195",
    "kind": "arxiv",
    "version": 3
  }
}