Pith Number

pith:Y7MAEJ3X

pith:2012:Y7MAEJ3XMTCK7VECFGU6CLVGXW

not attested not anchored not stored refs pending

Optical photometric and polarimetric investigation of NGC 1931

A. K. Pandey, C. Eswaraiah, D. K. Ojha, H. C. Chandola, J. Jose, M. R. Samal, N. Chauhan, Ram Kesh Yadav, Saurabh Sharma, W. P. Chen

arxiv:1212.6706 v1 · 2012-12-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7MAEJ3XMTCK7VECFGU6CLVGXW}

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	2026-05-18T01:52:22.811009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d802277764c4afd48229a9e12ea6bda24bc79d295e96cd4c59abf6f2512fdd

Aliases

arxiv: 1212.6706 · arxiv_version: 1212.6706v1 · doi: 10.48550/arxiv.1212.6706 · pith_short_12: Y7MAEJ3XMTCK · pith_short_16: Y7MAEJ3XMTCK7VEC · pith_short_8: Y7MAEJ3X

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/Y7MAEJ3XMTCK7VECFGU6CLVGXW \
  | 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: c7d802277764c4afd48229a9e12ea6bda24bc79d295e96cd4c59abf6f2512fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "598428ea98c6ab9f9094fc431289b372b03c4063c9f918a1f644eac8b5faa534",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-12-30T12:12:34Z",
    "title_canon_sha256": "53193567e8ca8003635f82851cee14613388f026a59d387abc1c70132478ace4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6706",
    "kind": "arxiv",
    "version": 1
  }
}