Pith Number

pith:YZYR2H3L

pith:2017:YZYR2H3LUOWRJCANGEMRKUB5XE

not attested not anchored not stored refs pending

Preliminary orbits with line-of-sight correction for LEO satellites observed with radar

Davide Bracali Cioci, Giovanni F. Gronchi, Helene Ma

arxiv:1703.08519 v1 · 2017-03-23 · physics.space-ph · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZYR2H3LUOWRJCANGEMRKUB5XE}

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	2026-05-18T00:02:36.476512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6711d1f6ba3ad14880d311915503db903486a88a199e7883627439f9653b63d

Aliases

arxiv: 1703.08519 · arxiv_version: 1703.08519v1 · doi: 10.48550/arxiv.1703.08519 · pith_short_12: YZYR2H3LUOWR · pith_short_16: YZYR2H3LUOWRJCAN · pith_short_8: YZYR2H3L

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/YZYR2H3LUOWRJCANGEMRKUB5XE \
  | 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: c6711d1f6ba3ad14880d311915503db903486a88a199e7883627439f9653b63d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0149c2f2a692da8a6ba309c1c8348097cb4f6633776f17a90c815b9c68e4576",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2017-03-23T08:32:14Z",
    "title_canon_sha256": "287bfa09e25eb7276f351bc15dcb4d217c65606f9e7d8101a558cc2d373ce491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08519",
    "kind": "arxiv",
    "version": 1
  }
}