Pith Number

pith:VRVMWIZM

pith:2017:VRVMWIZMLBRWUZTIZWCLRQTAFM

not attested not anchored not stored refs pending

An Optical and Infrared Photometric Study of the Young Open Cluster IC 1805 in the Giant H II Region W4

Beomdu Lim, Byeong-Gon Park, G. Rauw, Hwankyung Sung, Hyeonoh Hur, Jonghyuk Yi, Michael S. Bessell, Moo-Young Chun, R. Karimov, Y. Naze

arxiv:1704.04592 v1 · 2017-04-15 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRVMWIZMLBRWUZTIZWCLRQTAFM}

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	2026-07-05T01:57:45.706892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac6acb232c58636a6668cd84b8c2602b2b07e909c572c7dd8e8fbaf0778db58e

Aliases

arxiv: 1704.04592 · arxiv_version: 1704.04592v1 · doi: 10.48550/arxiv.1704.04592 · pith_short_12: VRVMWIZMLBRW · pith_short_16: VRVMWIZMLBRWUZTI · pith_short_8: VRVMWIZM

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/VRVMWIZMLBRWUZTIZWCLRQTAFM \
  | 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: ac6acb232c58636a6668cd84b8c2602b2b07e909c572c7dd8e8fbaf0778db58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39240c0df4cd9484ff69418ccfc9146a1762b7957abdd89f2fdeccd1286c543c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-15T06:31:28Z",
    "title_canon_sha256": "35d797b28088d992ebe86d376b5b2d8e6af76d092611f201f8a173d9bbe24985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04592",
    "kind": "arxiv",
    "version": 1
  }
}