Pith Number

pith:D2IVVFFW

pith:2017:D2IVVFFWOVLF3J47Q7KFJ6V56Z

not attested not anchored not stored refs pending

Autonomous Orbit Determination Using Epoch-Differenced Gravity Gradients and Starlight Refraction

Pei Chen, Tengda Sun, Xiucong Sun

arxiv:1702.01937 v1 · 2017-02-07 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2IVVFFWOVLF3J47Q7KFJ6V56Z}

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	2026-05-18T00:51:10.817137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e915a94b675565da79f87d454fabdf66e4de7be17860e10893e9cd6c6161222

Aliases

arxiv: 1702.01937 · arxiv_version: 1702.01937v1 · doi: 10.48550/arxiv.1702.01937 · pith_short_12: D2IVVFFWOVLF · pith_short_16: D2IVVFFWOVLF3J47 · pith_short_8: D2IVVFFW

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/D2IVVFFWOVLF3J47Q7KFJ6V56Z \
  | 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: 1e915a94b675565da79f87d454fabdf66e4de7be17860e10893e9cd6c6161222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73044f0b0ba8588328da136f02e465dd3211656ff055deb2ee13bf8916386124",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-02-07T09:37:43Z",
    "title_canon_sha256": "eb65d334e2b52fb066802d818c8b9eed3c85c2c180c91ec8cff0c36636b52f70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01937",
    "kind": "arxiv",
    "version": 1
  }
}