Pith Number

pith:N7WF7ZYR

pith:2001:N7WF7ZYRT5M75LMDVBUYOZCK3D

not attested not anchored not stored refs pending

Photometry and membership for low mass stars in the young open cluster NGC 2516

M.R. Thurston, N.C. Hambly, R.D. Jeffries

arxiv:astro-ph/0107097 v1 · 2001-07-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7WF7ZYRT5M75LMDVBUYOZCK3D}

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	2026-07-04T16:23:39.677588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fec5fe7119f59fead83a86987644ad8ed6f6cf742e008b54bc4f2db7d5f99b3

Aliases

arxiv: astro-ph/0107097 · arxiv_version: astro-ph/0107097v1 · doi: 10.48550/arxiv.astro-ph/0107097 · pith_short_12: N7WF7ZYRT5M7 · pith_short_16: N7WF7ZYRT5M75LMD · pith_short_8: N7WF7ZYR

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/N7WF7ZYRT5M75LMDVBUYOZCK3D \
  | 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: 6fec5fe7119f59fead83a86987644ad8ed6f6cf742e008b54bc4f2db7d5f99b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "306f0b4208212bd316da0f4a7dbda119ad59d7f91bdaeebb4419e0cf1558e359",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-05T13:47:04Z",
    "title_canon_sha256": "525e3e0f996460a015f18636c2620e8ef43f46c7d894327d72d04a94920b387c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107097",
    "kind": "arxiv",
    "version": 1
  }
}