Pith Number

pith:WOI3L5XE

pith:2009:WOI3L5XEES2UT46KOYIMLH5DHA

not attested not anchored not stored refs pending

MASE: A New Data--Reduction Pipeline for the Magellan Echellette Spectrograph

Adam J. Burgasser, Andrew A. West, Christopher L. Williams, John J. Bochanski, Joseph F. Hennawi, J. Xavier Prochaska, Michael T. Murphy, Rebecca A. Bernstein, Robert A. Simcoe, Scott M. Burles

arxiv:0910.1834 v1 · 2009-10-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOI3L5XEES2UT46KOYIMLH5DHA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:11:24.992739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b391b5f6e424b549f3ca7610c59fa338062c486b47bf966a1f77a27e8a88f2ca

Aliases

arxiv: 0910.1834 · arxiv_version: 0910.1834v1 · doi: 10.48550/arxiv.0910.1834 · pith_short_12: WOI3L5XEES2U · pith_short_16: WOI3L5XEES2UT46K · pith_short_8: WOI3L5XE

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/WOI3L5XEES2UT46KOYIMLH5DHA \
  | 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: b391b5f6e424b549f3ca7610c59fa338062c486b47bf966a1f77a27e8a88f2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee633c08671094b9e09110f11bffc53648eb892e6234150b6cba150e417b94e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-10-09T20:07:06Z",
    "title_canon_sha256": "f1c8faee6b281d3289c6e3373f3022adec6f635c85a74ec14e2cdd8894b56c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1834",
    "kind": "arxiv",
    "version": 1
  }
}