Pith Number

pith:PUPOP3BK

pith:2015:PUPOP3BKKO7X4OD3I4263THDBN

not attested not anchored not stored refs pending

A search for lithium in metal-poor L dwarfs

2, 2), (2) Universidad de La Laguna, (3) University of California San Diego, 4), (4) Visiting professor at the IAC in Tenerife, (5) Main Astronomical Observatory of the National Academy of Sciences of Ukraine, 6), (6) University of Hertfordshire, 7) ((1) IAC, (7) CSIC, A. J. Burgasser (3, N. Lodieu (1, R. Rebolo (1, Spain, Spain), Tenerife, UK, USA, Y. Pavlenko (5

arxiv:1505.06858 v1 · 2015-05-26 · 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{PUPOP3BKKO7X4OD3I4263THDBN}

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	2026-05-18T01:37:34.511095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1ee7ec2a53bf7e387b4735edcce30b63e7793447c100c782efe5bd4d26f663

Aliases

arxiv: 1505.06858 · arxiv_version: 1505.06858v1 · doi: 10.48550/arxiv.1505.06858 · pith_short_12: PUPOP3BKKO7X · pith_short_16: PUPOP3BKKO7X4OD3 · pith_short_8: PUPOP3BK

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/PUPOP3BKKO7X4OD3I4263THDBN \
  | 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: 7d1ee7ec2a53bf7e387b4735edcce30b63e7793447c100c782efe5bd4d26f663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c66d06f4a37088aafc66ef284f65cfada6e4ac0e7e47993de9829e0f55e59b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-26T08:51:37Z",
    "title_canon_sha256": "baba98f6c1ae4a9e76eb58c28df49170e05263a740d1f0dfd81d00b7381d210b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06858",
    "kind": "arxiv",
    "version": 1
  }
}