Pith Number

pith:RFYXVCFI

pith:2018:RFYXVCFI3YXRIONCH7SIDSFGPU

not attested not anchored not stored refs pending

Testing strong line metallicity diagnostics at z~2

H. Rhodin, L. Christensen, M. A. Lara-L\'opez, R. Ca\~nameras, V. Patr\'icio

arxiv:1809.03612 v1 · 2018-09-10 · 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{RFYXVCFI3YXRIONCH7SIDSFGPU}

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	2026-05-18T00:04:47.904311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89717a88a8de2f1439a23fe481c8a67d2760c15a8338384fd85bfc71730e8443

Aliases

arxiv: 1809.03612 · arxiv_version: 1809.03612v1 · doi: 10.48550/arxiv.1809.03612 · pith_short_12: RFYXVCFI3YXR · pith_short_16: RFYXVCFI3YXRIONC · pith_short_8: RFYXVCFI

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/RFYXVCFI3YXRIONCH7SIDSFGPU \
  | 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: 89717a88a8de2f1439a23fe481c8a67d2760c15a8338384fd85bfc71730e8443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42d36a9faeb264d23bf9ce74119c737e748ca3c7663e1d1988bd77d337c63849",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-10T21:54:21Z",
    "title_canon_sha256": "6a1f4cbc9c4c532e3c79f9c78807eea1a865caadc63c3d42c9c643339808c6c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03612",
    "kind": "arxiv",
    "version": 1
  }
}