Pith Number

pith:JTEC5IOA

pith:2018:JTEC5IOAAKOSPZJL45JSJEO44O

not attested not anchored not stored refs pending

From actinides to zinc: Using the full abundance pattern of the brightest star in Reticulum II to distinguish between different r-process sites

Alexander P. Ji, Anna Frebel

arxiv:1802.07272 v1 · 2018-02-20 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTEC5IOAAKOSPZJL45JSJEO44O}

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	2026-05-18T00:18:11.012027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cc82ea1c0029d27e52be7532491dce388c9ae2509deae23eca69dcb0b85eccb

Aliases

arxiv: 1802.07272 · arxiv_version: 1802.07272v1 · doi: 10.48550/arxiv.1802.07272 · pith_short_12: JTEC5IOAAKOS · pith_short_16: JTEC5IOAAKOSPZJL · pith_short_8: JTEC5IOA

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/JTEC5IOAAKOSPZJL45JSJEO44O \
  | 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: 4cc82ea1c0029d27e52be7532491dce388c9ae2509deae23eca69dcb0b85eccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3018512986b5ac1d5eebe7b708c14f04eda0f9c1741bafcdc2c24b28a331237",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-20T19:00:04Z",
    "title_canon_sha256": "57822ba0a79a0f2a756f40c843076ca6909c1eaa26b2633bafc7df417e75f87c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07272",
    "kind": "arxiv",
    "version": 1
  }
}