Pith Number

pith:6PXDU6V4

pith:2011:6PXDU6V4PYC7Z3PFIDSZYTYNVZ

not attested not anchored not stored refs pending

Interferometric Observations of Geosynchronous Satellites

C.R. Subrahmanya, Peeyush Prasad, R. Somashekar

arxiv:1109.4645 v1 · 2011-09-20 · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PXDU6V4PYC7Z3PFIDSZYTYNVZ}

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	2026-05-18T04:12:33.285397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3ee3a7abc7e05fcede540e59c4f0dae70209a0136b9645e8a0c397a087f1df1

Aliases

arxiv: 1109.4645 · arxiv_version: 1109.4645v1 · doi: 10.48550/arxiv.1109.4645 · pith_short_12: 6PXDU6V4PYC7 · pith_short_16: 6PXDU6V4PYC7Z3PF · pith_short_8: 6PXDU6V4

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/6PXDU6V4PYC7Z3PFIDSZYTYNVZ \
  | 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: f3ee3a7abc7e05fcede540e59c4f0dae70209a0136b9645e8a0c397a087f1df1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c56436bf26e7d44e4166db12f3db9d270154b72d6b0d5e4e69d1b2c014fceff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2011-09-20T16:32:24Z",
    "title_canon_sha256": "99194317e7bfc5c409b12baa7c3068b2e84c1fc6d0ad653f04296a473dc0fb04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4645",
    "kind": "arxiv",
    "version": 1
  }
}