Pith Number

pith:T5GUSKOT

pith:2009:T5GUSKOTSZTTHGAXUB5NEY5QED

not attested not anchored not stored refs pending

Metal-rich absorbers at high redshifts: abundance patterns

D. Reimers, I. I. Agafonova, J. L. Hou, P. Molaro, S. A. Levshakov

arxiv:0908.4148 v1 · 2009-08-28 · astro-ph.CO · 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{T5GUSKOTSZTTHGAXUB5NEY5QED}

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	2026-05-18T02:12:21.684235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f4d4929d39667339817a07ad263b020c564cf0f9b73ac46ff3922103d3db24f

Aliases

arxiv: 0908.4148 · arxiv_version: 0908.4148v1 · doi: 10.48550/arxiv.0908.4148 · pith_short_12: T5GUSKOTSZTT · pith_short_16: T5GUSKOTSZTTHGAX · pith_short_8: T5GUSKOT

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/T5GUSKOTSZTTHGAXUB5NEY5QED \
  | 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: 9f4d4929d39667339817a07ad263b020c564cf0f9b73ac46ff3922103d3db24f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a014a090ddf7ea7968d695bc4f0d5822a44eb21c7079aebca19cca1cd440f1df",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-28T07:52:44Z",
    "title_canon_sha256": "a982d89dfac4860101414b59b90c48110817218b2d3ca2b4b0a5870314f15046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4148",
    "kind": "arxiv",
    "version": 1
  }
}