Pith Number

pith:QNEYVAG4

pith:2014:QNEYVAG43I74T2IC5XENVCWDUW

not attested not anchored not stored refs pending

The nature of Damped Lyman-{\alpha} and MgII absorbers explored with their dust contents

Brice M\'enard, Masataka Fukugita

arxiv:1403.4339 v2 · 2014-03-18 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNEYVAG43I74T2IC5XENVCWDUW}

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	2026-05-18T01:44:00.129128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83498a80dcda3fc9e902edc8da8ac3a5860c50a018d5a085aa15244fcc9f9c26

Aliases

arxiv: 1403.4339 · arxiv_version: 1403.4339v2 · doi: 10.48550/arxiv.1403.4339 · pith_short_12: QNEYVAG43I74 · pith_short_16: QNEYVAG43I74T2IC · pith_short_8: QNEYVAG4

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/QNEYVAG43I74T2IC5XENVCWDUW \
  | 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: 83498a80dcda3fc9e902edc8da8ac3a5860c50a018d5a085aa15244fcc9f9c26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9da7db396f3241aa39216fbb0d4e9b772d1e30d01b80d399909649041d6b9a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-18T04:26:13Z",
    "title_canon_sha256": "ed39c32df5334f2c24272f362919726ee2aa6bbd0fcacc36089eeca097aa07af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4339",
    "kind": "arxiv",
    "version": 2
  }
}