Pith Number

pith:J3236L7R

pith:2015:J3236L7RK6IODJJISKGICLQRZI

not attested not anchored not stored refs pending

The Keck+Magellan Survey for Lyman Limit Absorption III: Sample Definition and Column Density Measurements

(2) Saint Michael's College, (3) Durham University, 4), (4) Observatories of the Carnegie Institution for Science, (5) Cutler Group), John M. O'Meara (2), J. Xavier Prochaska (1), Michele Fumagalli (3, Rebecca A. Bernstein (4), Santa Cruz, Scott M. Burles (5) ((1) UCO/Lick, University of California

arxiv:1506.08863 v1 · 2015-06-29 · 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{J3236L7RK6IODJJISKGICLQRZI}

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	2026-05-18T01:30:23.980157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ef5bf2ff15790e1a528928c812e11ca27f081b4f17076c6e6b73089c2e07d8a

Aliases

arxiv: 1506.08863 · arxiv_version: 1506.08863v1 · doi: 10.48550/arxiv.1506.08863 · pith_short_12: J3236L7RK6IO · pith_short_16: J3236L7RK6IODJJI · pith_short_8: J3236L7R

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/J3236L7RK6IODJJISKGICLQRZI \
  | 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: 4ef5bf2ff15790e1a528928c812e11ca27f081b4f17076c6e6b73089c2e07d8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db467b66f01e3a190fb803e0f597e95968a3ba24130d01f6eaffde8236c8e8cd",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-06-29T21:09:40Z",
    "title_canon_sha256": "c9e3e84c4a2cf6969a8adf070d3af416ebaf50923497294620a3b698b71e05d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08863",
    "kind": "arxiv",
    "version": 1
  }
}