Pith Number

pith:Q77IR2V7

pith:2017:Q77IR2V7R3U34KSO3XZHPN4EA3

not attested not anchored not stored refs pending

A Simple Solution for Maximum Range Flight

Robert Schaback

arxiv:1705.00646 v2 · 2017-04-15 · 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{Q77IR2V7R3U34KSO3XZHPN4EA3}

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	2026-05-18T00:35:16.260201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87fe88eabf8ee9be2a4eddf277b78406d3b6236abb0b259b4f4edc9905b753a1

Aliases

arxiv: 1705.00646 · arxiv_version: 1705.00646v2 · doi: 10.48550/arxiv.1705.00646 · pith_short_12: Q77IR2V7R3U3 · pith_short_16: Q77IR2V7R3U34KSO · pith_short_8: Q77IR2V7

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/Q77IR2V7R3U34KSO3XZHPN4EA3 \
  | 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: 87fe88eabf8ee9be2a4eddf277b78406d3b6236abb0b259b4f4edc9905b753a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ce3c4f122edb9d71b90d2fe7af2febdc3eed0e4f141d2e3270d3d4e20c31f6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-04-15T11:11:50Z",
    "title_canon_sha256": "5583b235322f36adaa2a7ea332173619cbef08491f17a4ce7d776efbb6873f03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00646",
    "kind": "arxiv",
    "version": 2
  }
}