Pith Number

pith:5AQIZLWQ

pith:2012:5AQIZLWQEUYEJL7HLOETCD53U5

not attested not anchored not stored refs pending

A Super-Damped Lyman-alpha QSO Absorber at z=2.2

Celine Peroux, Debopam Som, Donald G. York, James T. Lauroesch, Joseph Meiring, Pushpa Khare, Varsha P. Kulkarni

arxiv:1202.0882 v2 · 2012-02-04 · astro-ph.CO · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AQIZLWQEUYEJL7HLOETCD53U5}

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	2026-05-18T04:01:49.215154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8208caed0253044afe75b89310fbba750baca24b11d7485aeb2a90ee0b6f35c

Aliases

arxiv: 1202.0882 · arxiv_version: 1202.0882v2 · doi: 10.48550/arxiv.1202.0882 · pith_short_12: 5AQIZLWQEUYE · pith_short_16: 5AQIZLWQEUYEJL7H · pith_short_8: 5AQIZLWQ

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/5AQIZLWQEUYEJL7HLOETCD53U5 \
  | 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: e8208caed0253044afe75b89310fbba750baca24b11d7485aeb2a90ee0b6f35c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bba9f4300295fa9d8f3175f335fe662e7b5f3636ff587cdc6de90a040360f9ed",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-04T09:17:54Z",
    "title_canon_sha256": "800ade451461272d17133a47e38821fea8362dd4f33566d2b69ab7ddf59ab537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0882",
    "kind": "arxiv",
    "version": 2
  }
}