Pith Number

pith:JNSXOEUW

pith:2017:JNSXOEUWMM2LU7EGWGFTYMTVT6

not attested not anchored not stored refs pending

The high A_V Quasar Survey: A z=2.027 metal-rich damped Lyman-alpha absorber towards a red quasar at z=3.21

Cedric Ledoux, Jens-Kristian Krogager, Johan P. U. Fynbo, Kasper E. Heintz, Lise Christensen, Palle M{\o}ller, Pall Jakobsson, Pasquier Noterdaeme, Stefan Geier

arxiv:1706.07016 v2 · 2017-06-21 · 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{JNSXOEUWMM2LU7EGWGFTYMTVT6}

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	2026-05-18T00:34:17.920647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b657712966334ba7c86b18b3c32759fb88c4a87a0ff9329ff5610326bd96f1d

Aliases

arxiv: 1706.07016 · arxiv_version: 1706.07016v2 · doi: 10.48550/arxiv.1706.07016 · pith_short_12: JNSXOEUWMM2L · pith_short_16: JNSXOEUWMM2LU7EG · pith_short_8: JNSXOEUW

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/JNSXOEUWMM2LU7EGWGFTYMTVT6 \
  | 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: 4b657712966334ba7c86b18b3c32759fb88c4a87a0ff9329ff5610326bd96f1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daec4a4ed0ae6b6055164979612ae37d05e483ec48f7952f3aea2a5dda946f52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-21T17:17:42Z",
    "title_canon_sha256": "c8c91e594f2e6df850f84c2c053410db3dc6b8cd7504d6ec2ac97996c69d3ba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07016",
    "kind": "arxiv",
    "version": 2
  }
}