Pith Number

pith:EFR3LEWK

pith:2015:EFR3LEWKT3YAN5UNNDCWYGEERK

not attested not anchored not stored refs pending

A beam-displacement prism based, three band stellar photo-polarimeter

A. V. Raveendran, G. Srinivasulu, K. Jayakumar, K. Sagayanathan, M. J. Rosario, M. R. Somashekar, M. V. Mekkaden, N. Jayavel, S. Muneer, S. Ramamoorthy

arxiv:1506.08252 v1 · 2015-06-27 · 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{EFR3LEWKT3YAN5UNNDCWYGEERK}

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	2026-05-18T01:37:46.926906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2163b592ca9ef006f68d68c56c18848a97b873a5fe4c919324ff04bbe2655fef

Aliases

arxiv: 1506.08252 · arxiv_version: 1506.08252v1 · doi: 10.48550/arxiv.1506.08252 · pith_short_12: EFR3LEWKT3YA · pith_short_16: EFR3LEWKT3YAN5UN · pith_short_8: EFR3LEWK

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/EFR3LEWKT3YAN5UNNDCWYGEERK \
  | 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: 2163b592ca9ef006f68d68c56c18848a97b873a5fe4c919324ff04bbe2655fef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e555f69d3352aeaca37a41a40feeae25a6b38716d93011b40f88c337adb830b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-06-27T03:44:19Z",
    "title_canon_sha256": "4b04ba854787665d1b1c251b0fe7a0d7ca14a42a59026a4510cc83802efedde9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08252",
    "kind": "arxiv",
    "version": 1
  }
}