Pith Number

pith:V6Z4RTYZ

pith:2016:V6Z4RTYZWHQSVTWL2J36EJJDL3

not attested not anchored not stored refs pending

The ESO UVES Advanced Data Products Quasar Sample - VI. Sub-Damped Lyman-$\alpha$ Metallicity Measurements and the Circum-Galactic Medium

A. Popping, B. Milliard, C. P\'eroux, D. A. Turnshek, E. D. Jenkins, E. M. Monier, H. Rahmani, R. M. Sandhya, S. Quiret, T. Zafar, V. P. Kulkarni

arxiv:1602.02564 v1 · 2016-02-08 · 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{V6Z4RTYZWHQSVTWL2J36EJJDL3}

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	2026-05-18T01:18:37.539529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afb3c8cf19b1e12acecbd277e225235ec8496cf1ec4feb4465dcf1ea48411a41

Aliases

arxiv: 1602.02564 · arxiv_version: 1602.02564v1 · doi: 10.48550/arxiv.1602.02564 · pith_short_12: V6Z4RTYZWHQS · pith_short_16: V6Z4RTYZWHQSVTWL · pith_short_8: V6Z4RTYZ

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/V6Z4RTYZWHQSVTWL2J36EJJDL3 \
  | 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: afb3c8cf19b1e12acecbd277e225235ec8496cf1ec4feb4465dcf1ea48411a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "985c7c2987d3e2bc27bde94aa4b9c0719eefd2779c7a9a4f3daac93031db2af1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-08T13:42:37Z",
    "title_canon_sha256": "ac8e0580db959b19c18418e7b923e2d4f1122924ed69e688e7e99de4ed1f10ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02564",
    "kind": "arxiv",
    "version": 1
  }
}