Pith Number

pith:3QPIQOE5

pith:2003:3QPIQOE5VMKUVR6WB5HQ5YBKB6

not attested not anchored not stored refs pending

Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Northern Sample I

C.J. Corbally, M.T. McFadden, P.E. Robinson, R.F. Garrison, R.O. Gray

arxiv:astro-ph/0308182 v1 · 2003-08-11 · 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{3QPIQOE5VMKUVR6WB5HQ5YBKB6}

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.

Cited by

1 paper in Pith

The Stellar Observations Network Group (SONG) -- A Legacy Archive of Stellar Time-Domain Spectroscopy

Receipt and verification

First computed	2026-07-04T16:51:27.130000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1e88389dab154ac7d60f4f0ee02a0fbfb083745d13204d083a0940f883d3a7

Aliases

arxiv: astro-ph/0308182 · arxiv_version: astro-ph/0308182v1 · doi: 10.48550/arxiv.astro-ph/0308182 · pith_short_12: 3QPIQOE5VMKU · pith_short_16: 3QPIQOE5VMKUVR6W · pith_short_8: 3QPIQOE5

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/3QPIQOE5VMKUVR6WB5HQ5YBKB6 \
  | 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: dc1e88389dab154ac7d60f4f0ee02a0fbfb083745d13204d083a0940f883d3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f4cd7d8cba6a00bd8dc6e2f2431c0730fabda3cdeb8f90635e7ae7d6f9b0a06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-11T18:03:44Z",
    "title_canon_sha256": "fd2d0fca2341be50363ab96981efc848a8e664f977044234fa7a60cdc66af1c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308182",
    "kind": "arxiv",
    "version": 1
  }
}