Pith Number

pith:CRWF4BF6

pith:2015:CRWF4BF6DOJWHAU2VL2BQXMJZN

not attested not anchored not stored refs pending

Distributed Continuous-time Approximate Projection Protocols for Shortest Distance Optimization Problems

Shouyang Wang, Yiguang Hong, Youcheng Lou

arxiv:1503.04904 v3 · 2015-03-17 · cs.SY · 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{CRWF4BF6DOJWHAU2VL2BQXMJZN}

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	2026-05-18T01:21:23.121851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

146c5e04be1b9363829aaaf4185d89cb70390811017020cfe4f12a555960fb45

Aliases

arxiv: 1503.04904 · arxiv_version: 1503.04904v3 · doi: 10.48550/arxiv.1503.04904 · pith_short_12: CRWF4BF6DOJW · pith_short_16: CRWF4BF6DOJWHAU2 · pith_short_8: CRWF4BF6

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/CRWF4BF6DOJWHAU2VL2BQXMJZN \
  | 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: 146c5e04be1b9363829aaaf4185d89cb70390811017020cfe4f12a555960fb45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1474132d896cf86e967aa32a4f80f553a5aac18cda2124491dd07d0c92314dd2",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-03-17T03:47:41Z",
    "title_canon_sha256": "c54b5add96e0731527c094f60ccc8c78942322e906050590667675a3e0150741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04904",
    "kind": "arxiv",
    "version": 3
  }
}