Pith Number

pith:OQM26LLN

pith:2010:OQM26LLNITQWQDFZ4S7MTQOIXY

not attested not anchored not stored refs pending

Spectroscopic confirmation of hydrogen alpha-selected satellite galaxies

Clare F. Ivory, Phil A. James

arxiv:1009.2394 v1 · 2010-09-13 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQM26LLNITQWQDFZ4S7MTQOIXY}

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	2026-05-18T02:05:31.241064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7419af2d6d44e1680cb9e4bec9c1c8be0068b9a37a32869aaf71887e71a50594

Aliases

arxiv: 1009.2394 · arxiv_version: 1009.2394v1 · doi: 10.48550/arxiv.1009.2394 · pith_short_12: OQM26LLNITQW · pith_short_16: OQM26LLNITQWQDFZ · pith_short_8: OQM26LLN

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/OQM26LLNITQWQDFZ4S7MTQOIXY \
  | 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: 7419af2d6d44e1680cb9e4bec9c1c8be0068b9a37a32869aaf71887e71a50594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a188e478e65163c14345a78d548a5b1b53fc806d82a22f3540b1a1daff5708",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-13T13:51:51Z",
    "title_canon_sha256": "5f8501e46260f03eed86a329b43aba22d1c32462e2b9ee25305ee02b79ac0ded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2394",
    "kind": "arxiv",
    "version": 1
  }
}