Pith Number

pith:S5REM4UI

pith:2002:S5REM4UITBGD3C42ENVGJWEPO7

not attested not anchored not stored refs pending

An Adaptive Optics Survey of M8-M9 Stars: Discovery of 4 Very Low mass Binaries With at Least One System Containing a Brown Dwarf Companion

Dan Potter, James Liebert, Laird M. Close, Nick Siegler, Wolfgang Brandner

arxiv:astro-ph/0201393 v1 · 2002-01-23 · 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{S5REM4UITBGD3C42ENVGJWEPO7}

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	2026-07-04T16:29:18.447186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9762467288984c3d8b9a236a64d88f77e61881b8e9fb25b17560dd5935ad5c7a

Aliases

arxiv: astro-ph/0201393 · arxiv_version: astro-ph/0201393v1 · doi: 10.48550/arxiv.astro-ph/0201393 · pith_short_12: S5REM4UITBGD · pith_short_16: S5REM4UITBGD3C42 · pith_short_8: S5REM4UI

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/S5REM4UITBGD3C42ENVGJWEPO7 \
  | 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: 9762467288984c3d8b9a236a64d88f77e61881b8e9fb25b17560dd5935ad5c7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94db16f35ee877dbddf168322c186d3e01d3028d07cab87b73cd3070c483c8ff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-23T18:12:29Z",
    "title_canon_sha256": "1ec8120f9825bf892549f55365fb62d2892dfd1d977bf647d99c08b6aecd8755"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201393",
    "kind": "arxiv",
    "version": 1
  }
}