Pith Number

pith:FG4WH3M7

pith:2017:FG4WH3M7HHVHBU7IZNWYWDIQP5

not attested not anchored not stored refs pending

Information Retrieval and Recommendation System for Astronomical Observatories

A. K. Aniyan, D. P. Acharjya, Kaustubh Vaghmare, Nikhil Mukund, Ninan Sajeeth Philip, Sanjit Mitra, Saurabh Thakur, Sheelu Abraham

arxiv:1710.05350 v1 · 2017-10-15 · 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{FG4WH3M7HHVHBU7IZNWYWDIQP5}

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	2026-05-18T00:20:06.146975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b963ed9f39ea70d3e8cb6d8b0d107f69b6858f645b9ac402df9ecb2bb0466f

Aliases

arxiv: 1710.05350 · arxiv_version: 1710.05350v1 · doi: 10.48550/arxiv.1710.05350 · pith_short_12: FG4WH3M7HHVH · pith_short_16: FG4WH3M7HHVHBU7I · pith_short_8: FG4WH3M7

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/FG4WH3M7HHVHBU7IZNWYWDIQP5 \
  | 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: 29b963ed9f39ea70d3e8cb6d8b0d107f69b6858f645b9ac402df9ecb2bb0466f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc1d0fbff7bbc549bc1168ccfb69105f98c73d26a598a9cf1380e3a642a38822",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-10-15T15:53:35Z",
    "title_canon_sha256": "f7ef05c00ac954db7a3bb4f3b8db04a5956648139a63b796684642592d3deb71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05350",
    "kind": "arxiv",
    "version": 1
  }
}