Pith Number

pith:VKUGMGR5

pith:2018:VKUGMGR5RTXUHTTIHRIOBC5JFP

not attested not anchored not stored refs pending

Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert

Claudia Aguilera-G\'omez, Iv\'an Ram\'irez, Julio Chanam\'e

arxiv:1803.05922 v1 · 2018-03-15 · 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{VKUGMGR5RTXUHTTIHRIOBC5JFP}

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	2026-05-18T00:13:27.004156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa8661a3d8cef43ce683c50e08ba92be03ef986c64ab93181f7808f8eb131ce

Aliases

arxiv: 1803.05922 · arxiv_version: 1803.05922v1 · doi: 10.48550/arxiv.1803.05922 · pith_short_12: VKUGMGR5RTXU · pith_short_16: VKUGMGR5RTXUHTTI · pith_short_8: VKUGMGR5

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/VKUGMGR5RTXUHTTIHRIOBC5JFP \
  | 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: aaa8661a3d8cef43ce683c50e08ba92be03ef986c64ab93181f7808f8eb131ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c2356da81215ede0eb0b57cfea4cbe2c0040d3eac12c3fe8ef4da28bdf168eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-15T18:00:10Z",
    "title_canon_sha256": "4547c38005f3611212be7774160ea0ee84f7008a0b21abf08bce9f4347ee80af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05922",
    "kind": "arxiv",
    "version": 1
  }
}