Pith Number

pith:FFEDJ4IW

pith:2017:FFEDJ4IWOUXOL5U2KFDOHJ65OS

not attested not anchored not stored refs pending

Hohmann Transfer via Constrained Optimization

Junyan Xu, Li Xie, Yiqun Zhang

arxiv:1712.01512 v1 · 2017-12-05 · 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{FFEDJ4IWOUXOL5U2KFDOHJ65OS}

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	2026-05-17T23:57:19.601767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294834f116752ee5f69a5146e3a7dd74be777f5e469d5cd49f490781031b5d3a

Aliases

arxiv: 1712.01512 · arxiv_version: 1712.01512v1 · doi: 10.48550/arxiv.1712.01512 · pith_short_12: FFEDJ4IWOUXO · pith_short_16: FFEDJ4IWOUXOL5U2 · pith_short_8: FFEDJ4IW

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/FFEDJ4IWOUXOL5U2KFDOHJ65OS \
  | 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: 294834f116752ee5f69a5146e3a7dd74be777f5e469d5cd49f490781031b5d3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27b911a6c25bcf96591797d5c33f04d2ca7680714b5a29a76b4b04a8c21a5af1",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-12-05T07:48:43Z",
    "title_canon_sha256": "3867e1b78ce677669001509d6e0d987cca3aa3cfa5fae14c1aa2ffef186321dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01512",
    "kind": "arxiv",
    "version": 1
  }
}