Pith Number

pith:S7V72FYL

pith:2021:S7V72FYL5IL7XOX3XL4IANB4XK

not attested not anchored not stored refs pending

Dijkstras algorithm with predictions to solve the single-source many-targets shortest-path problem

Guido Sch\"afer, Willem Feijen

arxiv:2112.11927 v2 · 2021-12-22 · cs.DS · 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{S7V72FYL5IL7XOX3XL4IANB4XK}

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.

Cited by

2 papers in Pith

Strategic Facility Location with $p$-Norm Social Costs

Fast and Simple Densest Subgraph with Predictions

Receipt and verification

First computed	2026-07-05T05:47:56.901590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97ebfd170bea17fbbafbbaf880343cba941d765ab3f78e2545cefe63ebf04ee7

Aliases

arxiv: 2112.11927 · arxiv_version: 2112.11927v2 · doi: 10.48550/arxiv.2112.11927 · pith_short_12: S7V72FYL5IL7 · pith_short_16: S7V72FYL5IL7XOX3 · pith_short_8: S7V72FYL

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/S7V72FYL5IL7XOX3XL4IANB4XK \
  | 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: 97ebfd170bea17fbbafbbaf880343cba941d765ab3f78e2545cefe63ebf04ee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b51c7e09d69530e0c3430a289ee05c2b6002c5ae5ccb7e3b14f4feacb4f62e7",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-12-22T14:47:32Z",
    "title_canon_sha256": "de4c7cae269cbdfefbc3a971530018594e02fab653515d307956890aedcd2e22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.11927",
    "kind": "arxiv",
    "version": 2
  }
}