Pith Number

pith:OPG4CNNO

pith:2024:OPG4CNNOQBFPCHO3JLXBDWTDZC

not attested not anchored not stored refs pending

Improving polarimetric accuracy of RoboPol to $<$ 0.05 % using a half-wave plate calibrator system

A. N. Ramaprakash, Dmitry Blinov, Konstantinos Tassis, Siddharth Maharana, Vasiliki Pavlidou

arxiv:2407.13470 v1 · 2024-07-18 · 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{OPG4CNNOQBFPCHO3JLXBDWTDZC}

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	2026-07-05T08:46:28.425794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73cdc135ae804af11ddb4aee11da63c898c7cbd4bbdf7727497e1fee90e2e5e3

Aliases

arxiv: 2407.13470 · arxiv_version: 2407.13470v1 · doi: 10.48550/arxiv.2407.13470 · pith_short_12: OPG4CNNOQBFP · pith_short_16: OPG4CNNOQBFPCHO3 · pith_short_8: OPG4CNNO

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/OPG4CNNOQBFPCHO3JLXBDWTDZC \
  | 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: 73cdc135ae804af11ddb4aee11da63c898c7cbd4bbdf7727497e1fee90e2e5e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1526c787f64492da9011cdbf496a2ebd559fc50c9ff29e1d1c92f68785574a0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-07-18T12:43:12Z",
    "title_canon_sha256": "27dba43ee8978e446629960d3d7af120d8276171aa48d46942564db11a898b76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.13470",
    "kind": "arxiv",
    "version": 1
  }
}