pith. sign in
Pith Number

pith:UJMS4XYX

pith:2017:UJMS4XYXN2YENCQ247PDXAXJDD
not attested not anchored not stored refs pending

Primeval very low-mass stars and brown dwarfs - II. The most metal-poor substellar object

D. Homeier, D. J. Pinfield, F. Allard, H. R. A. Jones, N. Lodieu, Ya. V. Pavlenko, Z. H. Zhang

arxiv:1702.02001 v2 · 2017-02-07 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UJMS4XYXN2YENCQ247PDXAXJDD}

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 2026-05-18T00:46:37.687815Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a2592e5f176eb0468a1ae7de3b82e918d36d6b584061c8f995b12361dd1807ea

Aliases

arxiv: 1702.02001 · arxiv_version: 1702.02001v2 · doi: 10.48550/arxiv.1702.02001 · pith_short_12: UJMS4XYXN2YE · pith_short_16: UJMS4XYXN2YENCQ2 · pith_short_8: UJMS4XYX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UJMS4XYXN2YENCQ247PDXAXJDD \
  | 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: a2592e5f176eb0468a1ae7de3b82e918d36d6b584061c8f995b12361dd1807ea
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ad1b37fd3c6c63f9b61ca0cd7da24d1d3bbc8eb43a601be043e253c5bfb58469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-07T13:24:43Z",
    "title_canon_sha256": "2529ebdf53224e761c4c5d6c4f869af4cdb68f580a71de863e7dcae64ec6e625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02001",
    "kind": "arxiv",
    "version": 2
  }
}