Pith Number

pith:R7FC25C4

pith:1999:R7FC25C4WYU3ONW4S4V4JF33EE

not attested not anchored not stored refs pending

EROS 2 proper motion survey: a field brown dwarf and an L dwarf companion to LHS 102

B. Goldman, C. Afonso et al: the EROS collaboration, T. Forveille, X. Delfosse

arxiv:astro-ph/9905162 v2 · 1999-05-13 · 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{R7FC25C4WYU3ONW4S4V4JF33EE}

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.

Cited by

1 paper in Pith

Classifying Cool Dwarfs: Comprehensive Spectral Typing of Field and Peculiar Dwarfs Using Machine Learning

Receipt and verification

First computed	2026-05-18T03:47:42.468666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fca2d745cb629b736dc972bc4977b211e0a8e805e9fbe41a65e798bc700cfd3

Aliases

arxiv: astro-ph/9905162 · arxiv_version: astro-ph/9905162v2 · doi: 10.48550/arxiv.astro-ph/9905162 · pith_short_12: R7FC25C4WYU3 · pith_short_16: R7FC25C4WYU3ONW4 · pith_short_8: R7FC25C4

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/R7FC25C4WYU3ONW4S4V4JF33EE \
  | 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: 8fca2d745cb629b736dc972bc4977b211e0a8e805e9fbe41a65e798bc700cfd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9362e29f7ece57b8d4b7f72c8116d093f2ea4925da25b9af193e3ea3ecb04d03",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-13T10:19:18Z",
    "title_canon_sha256": "fc33e6e3c7715d1bca687824f3f97d3f45f2954220d03a5711eeaaa3ca221d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905162",
    "kind": "arxiv",
    "version": 2
  }
}