Pith Number

pith:U3SFLAQE

pith:2019:U3SFLAQEPVOS7FBMQ7TCHITFAE

not attested not anchored not stored refs pending

Tight Bounds for Online Weighted Tree Augmentation

David P. Williamson, Joseph (Seffi) Naor, Seeun William Umboh

arxiv:1904.11777 v1 · 2019-04-26 · 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{U3SFLAQEPVOS7FBMQ7TCHITFAE}

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	2026-05-17T23:47:40.969163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e45582047d5d2f942c87e623a265010693921849c00ec13e99b594e78449d3

Aliases

arxiv: 1904.11777 · arxiv_version: 1904.11777v1 · doi: 10.48550/arxiv.1904.11777 · pith_short_12: U3SFLAQEPVOS · pith_short_16: U3SFLAQEPVOS7FBM · pith_short_8: U3SFLAQE

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/U3SFLAQEPVOS7FBMQ7TCHITFAE \
  | 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: a6e45582047d5d2f942c87e623a265010693921849c00ec13e99b594e78449d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60e3a0658672133eaef17b0b42292d67234dae07e07e8629a52e15596abadd1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-26T11:42:45Z",
    "title_canon_sha256": "5c950f1a6b0a43ab651b42689e3616d7a643263ca7070a29f513d6b4dfefd2a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11777",
    "kind": "arxiv",
    "version": 1
  }
}