Pith Number

pith:7GPEOILT

pith:2003:7GPEOILTTFV3Y633GVLLWINZC3

not attested not anchored not stored refs pending

The Absorption and Emission Kinematics in the z=0.7450 Mg II Absorber Towards Q1331+17

Gabriela Mallen-Ornelas, Marcin Sawicki, Sara L. Ellison

arxiv:astro-ph/0302147 v1 · 2003-02-07 · astro-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{7GPEOILTTFV3Y633GVLLWINZC3}

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	2026-07-04T16:36:27.840628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99e472173996bbc7b7b3556bb21b916f89daa9efc1a4c6c7ce91248d82f521d

Aliases

arxiv: astro-ph/0302147 · arxiv_version: astro-ph/0302147v1 · doi: 10.48550/arxiv.astro-ph/0302147 · pith_short_12: 7GPEOILTTFV3 · pith_short_16: 7GPEOILTTFV3Y633 · pith_short_8: 7GPEOILT

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/7GPEOILTTFV3Y633GVLLWINZC3 \
  | 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: f99e472173996bbc7b7b3556bb21b916f89daa9efc1a4c6c7ce91248d82f521d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "220e60a0ddc794b47d89062f82b895e9c9f70139e5c0a3e9c8b739edc07c02cc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-07T15:23:50Z",
    "title_canon_sha256": "31e50235b2a8d1d3ee12a454b47883258ec07345a2eddd069a2572801c0a3edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302147",
    "kind": "arxiv",
    "version": 1
  }
}