Pith Number

pith:5TSKY45I

pith:2012:5TSKY45IXAABPOECU67M5UU5T5

not attested not anchored not stored refs pending

Pre-main sequence variable stars in young open cluster NGC 1893

A. K. Pandey, G. Maheswar, Neelam Chauhan, Sneh Lata, W. P. Chen

arxiv:1209.1472 v1 · 2012-09-07 · 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{5TSKY45IXAABPOECU67M5UU5T5}

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	2026-05-18T01:54:38.913915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ece4ac73a8b80017b882a7beced29d9f44131830938d0d3047fd9d74f511a5ae

Aliases

arxiv: 1209.1472 · arxiv_version: 1209.1472v1 · doi: 10.48550/arxiv.1209.1472 · pith_short_12: 5TSKY45IXAAB · pith_short_16: 5TSKY45IXAABPOEC · pith_short_8: 5TSKY45I

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/5TSKY45IXAABPOECU67M5UU5T5 \
  | 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: ece4ac73a8b80017b882a7beced29d9f44131830938d0d3047fd9d74f511a5ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "351d914f0cb5dcd27432e7a2889010157ba7b94900117bfa8119a702f74cdbea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-07T09:48:48Z",
    "title_canon_sha256": "dc41bf46ef8f9917fb20a5c445edd5cbffe4825185637c7632855e15161c5f68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1472",
    "kind": "arxiv",
    "version": 1
  }
}