Pith Number

pith:HGVFP2Y5

pith:2010:HGVFP2Y5SKCCTNCP6HV5CH6SCL

not attested not anchored not stored refs pending

Discovery of the first tau Sco analogues: HD 66665 and HD 63425

D. L. Massa, G. A. Wade, R. Ignace, the MiMeS Collaboration, V. Petit, W. L. F. Marcolino

arxiv:1012.4445 v1 · 2010-12-20 · 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{HGVFP2Y5SKCCTNCP6HV5CH6SCL}

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	2026-05-18T02:04:21.736767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39aa57eb1d928429b44ff1ebd11fd212d1b43db81e914a21769dd82e78c33250

Aliases

arxiv: 1012.4445 · arxiv_version: 1012.4445v1 · doi: 10.48550/arxiv.1012.4445 · pith_short_12: HGVFP2Y5SKCC · pith_short_16: HGVFP2Y5SKCCTNCP · pith_short_8: HGVFP2Y5

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/HGVFP2Y5SKCCTNCP6HV5CH6SCL \
  | 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: 39aa57eb1d928429b44ff1ebd11fd212d1b43db81e914a21769dd82e78c33250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cec84ac3a79bc5d3ccfd442d59751d859403f9d2c4d5f20867f4c40a2aad0ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-20T19:16:41Z",
    "title_canon_sha256": "0f76fd310158ad990d573759f23a1266f8a2be26e245e49ee2a17f39ff4dd5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4445",
    "kind": "arxiv",
    "version": 1
  }
}