Pith Number

pith:YW2PBKM7

pith:2020:YW2PBKM7OMTUUQUH3YH47ICQT7

not attested not anchored not stored refs pending

The disintegrating old open cluster Czernik 3

A. K. Pandey, Arpan Ghosh, D. K. Ojha, N. Panwar, R. Pandey, Saurabh Sharma, S. B. Pandey, S. K. Ghosh, T Sinha

arxiv:2008.04102 v2 · 2020-08-07 · astro-ph.GA · 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{YW2PBKM7OMTUUQUH3YH47ICQT7}

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	2026-07-05T01:38:39.532867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5b4f0a99f73274a4287de0fcfa0509fd40e1d402616f8200ac2c88de4a6eef8

Aliases

arxiv: 2008.04102 · arxiv_version: 2008.04102v2 · doi: 10.48550/arxiv.2008.04102 · pith_short_12: YW2PBKM7OMTU · pith_short_16: YW2PBKM7OMTUUQUH · pith_short_8: YW2PBKM7

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/YW2PBKM7OMTUUQUH3YH47ICQT7 \
  | 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: c5b4f0a99f73274a4287de0fcfa0509fd40e1d402616f8200ac2c88de4a6eef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62f407deedab08b79320cea2ed9d0921213dfd85560cb927a9949f6f62fec3ea",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-08-07T07:45:27Z",
    "title_canon_sha256": "a108e1bcf6c9a520b0029ef436e8000544939b0af0bd851d6b7c47edb6ddabfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.04102",
    "kind": "arxiv",
    "version": 2
  }
}