Pith Number

pith:ZS7NDD4D

pith:2011:ZS7NDD4DXBJHBPIYAEWF2UMZSA

not attested not anchored not stored refs pending

Multi-fibre optical spectroscopy of low-mass stars and brown dwarfs in Upper Sco

(2) Australian Astronomical Observatory, (3) University of Edinburgh, Australia, N. C. Hambly (3) ((1) IAC, N. Lodieu (1), P. D. Dobbie (2), Royal Observatory, Spain, Tenerife, UK)

arxiv:1101.0919 v1 · 2011-01-05 · 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{ZS7NDD4DXBJHBPIYAEWF2UMZSA}

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	2026-05-18T02:04:12.972280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbed18f83b85270bd18012c5d5199902f2b7e66fdc144ffa1b165ef58bfdce4

Aliases

arxiv: 1101.0919 · arxiv_version: 1101.0919v1 · doi: 10.48550/arxiv.1101.0919 · pith_short_12: ZS7NDD4DXBJH · pith_short_16: ZS7NDD4DXBJHBPIY · pith_short_8: ZS7NDD4D

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/ZS7NDD4DXBJHBPIYAEWF2UMZSA \
  | 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: ccbed18f83b85270bd18012c5d5199902f2b7e66fdc144ffa1b165ef58bfdce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb83761a2c6bb55b2fe547927c65d06067697b0037ad28882884423ce6d450f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-05T10:00:57Z",
    "title_canon_sha256": "e20a6e03100bfb938d77f89b9a3bba33a7f3fa1ab11f03b2ec5e6cfc0eb273ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0919",
    "kind": "arxiv",
    "version": 1
  }
}