Pith Number

pith:NJ6FMLSB

pith:2011:NJ6FMLSBNU2RBLBVNKJBVJOU4H

not attested not anchored not stored refs pending

Multi-wavelength observations of Proxima Centauri

A. Reiners, B. Fuhrmeister, C. Liefke, J. H. M. M. Schmitt, J.-U. Ness, K. Poppenhaeger, N. Rudolf, S. Lalitha

arxiv:1109.1130 v1 · 2011-09-06 · 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{NJ6FMLSBNU2RBLBVNKJBVJOU4H}

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	2026-05-18T02:00:39.113980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a7c562e416d3510ac356a921aa5d4e1f3df7dac5f7f534b03f5bdae621af934

Aliases

arxiv: 1109.1130 · arxiv_version: 1109.1130v1 · doi: 10.48550/arxiv.1109.1130 · pith_short_12: NJ6FMLSBNU2R · pith_short_16: NJ6FMLSBNU2RBLBV · pith_short_8: NJ6FMLSB

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/NJ6FMLSBNU2RBLBVNKJBVJOU4H \
  | 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: 6a7c562e416d3510ac356a921aa5d4e1f3df7dac5f7f534b03f5bdae621af934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a4a8452dfb5aea56202047ec35512b2127c764f2b05d9bb476493ff7d68f94a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-06T09:59:19Z",
    "title_canon_sha256": "9e4b231c991bafdc1a4115353741c467ca984d16e2fc0937e77090d6205d11a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1130",
    "kind": "arxiv",
    "version": 1
  }
}