Pith Number

pith:2LG4MVSB

pith:2020:2LG4MVSBLQ6VHEDFK4AHNFAN2Q

not attested not anchored not stored refs pending

Deterministic Algorithms for Decremental Approximate Shortest Paths: Faster and Simpler

Christian Wulff-Nilsen, Maximilian Probst Gutenberg

arxiv:2001.10809 v1 · 2020-01-29 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LG4MVSBLQ6VHEDFK4AHNFAN2Q}

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	2026-07-05T00:37:12.297860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2cdc656415c3d539065570076940dd4141d69d883616fe402de8809c567663d

Aliases

arxiv: 2001.10809 · arxiv_version: 2001.10809v1 · doi: 10.48550/arxiv.2001.10809 · pith_short_12: 2LG4MVSBLQ6V · pith_short_16: 2LG4MVSBLQ6VHEDF · pith_short_8: 2LG4MVSB

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/2LG4MVSBLQ6VHEDFK4AHNFAN2Q \
  | 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: d2cdc656415c3d539065570076940dd4141d69d883616fe402de8809c567663d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49852f8a4097829225c1557c94ab239d74762723c2f0a7b718f1e4702090c059",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-01-29T13:22:22Z",
    "title_canon_sha256": "6ecb7825bbd5bdfccbee3108ebf63b7c95fbeb177603e5e3c295ea32d42fc6eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.10809",
    "kind": "arxiv",
    "version": 1
  }
}