Pith Number

pith:X6MD5PQF

pith:2021:X6MD5PQFATC3ROLYU6ASCGH5HY

not attested not anchored not stored refs pending

WALOP-South: A Four Camera One Shot Imaging Polarimeter for PASIPHAE Survey. Paper I -- Optical Design

A. N. Ramaprakash, Anthony C. S. Readhead, Chaitanya Rajarshi, Dmitry Blinov, Eirik Gjerl{\o}w, Georgia V. Panopoulou, Hans Kristian Eriksen, Ingunn K. Wehus, John A. Kypriotakis, Konstantinos Tassis, Nikolaos Mandarakas, Ramya M. Anche, Raphael Skalidis, Shrish, Siddharth Maharana, Stephen B. Potter, Timothy J. Pearson, Tuhin Ghosh, Vasiliki Pavlidou, Vincent Pelgrims

arxiv:2102.09505 v1 · 2021-02-18 · 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{X6MD5PQFATC3ROLYU6ASCGH5HY}

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	2026-07-05T02:23:27.194982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf983ebe0504c5b8b978a7812118fd3e04be3dc2b5bb61123a765424a95aa6cc

Aliases

arxiv: 2102.09505 · arxiv_version: 2102.09505v1 · doi: 10.48550/arxiv.2102.09505 · pith_short_12: X6MD5PQFATC3 · pith_short_16: X6MD5PQFATC3ROLY · pith_short_8: X6MD5PQF

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/X6MD5PQFATC3ROLYU6ASCGH5HY \
  | 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: bf983ebe0504c5b8b978a7812118fd3e04be3dc2b5bb61123a765424a95aa6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "974ac2dda3d5eec4ee24adaf5df40c2e7590ba9320594a4555853c0469b82c4d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-02-18T17:47:55Z",
    "title_canon_sha256": "1318f29cc2712c0e5cfb818490526ac5bc9f434dfccb8c3dbd4ddd7ed800b19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09505",
    "kind": "arxiv",
    "version": 1
  }
}