Pith Number

pith:QIWFS72B

pith:2011:QIWFS72BTB6YLJJKC3VYZR6SCK

not attested not anchored not stored refs pending

The Low-Mass Companion to the Lithium-Depleted, Spectroscopic Binary HBC 425 (St 34)

J. E. Lyke, S. E. Dahm

arxiv:1111.2081 v1 · 2011-11-08 · 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{QIWFS72BTB6YLJJKC3VYZR6SCK}

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	2026-05-18T01:59:43.409789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822c597f41987d85a52a16eb8cc7d21299708dd7437d6a3d11fce5a844a563de

Aliases

arxiv: 1111.2081 · arxiv_version: 1111.2081v1 · doi: 10.48550/arxiv.1111.2081 · pith_short_12: QIWFS72BTB6Y · pith_short_16: QIWFS72BTB6YLJJK · pith_short_8: QIWFS72B

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/QIWFS72BTB6YLJJKC3VYZR6SCK \
  | 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: 822c597f41987d85a52a16eb8cc7d21299708dd7437d6a3d11fce5a844a563de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ccf1fb06befd582f979d5edf777762755183514c824ae3a481733f60ec9976e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-08T23:56:35Z",
    "title_canon_sha256": "315b0fcede5e98f1d9f21bd0244ef54528a54c022eec72ee86ea4b4cf395178b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2081",
    "kind": "arxiv",
    "version": 1
  }
}