Pith Number

pith:PTR6XPRL

pith:1997:PTR6XPRLWTLQRX7GRQDHSMVCEB

not attested not anchored not stored refs pending

Determination of the Baryon Density from Large Scale Galaxy Redshift Surveys

David M. Goldberg, Michael A. Strauss (Princeton University Observatory)

arxiv:astro-ph/9707209 v1 · 1997-07-17 · 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{PTR6XPRLWTLQRX7GRQDHSMVCEB}

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	2026-05-18T04:28:57.306136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ce3ebbe2bb4d708dfe68c067932a220738800047521a9e9367f76f3bfe7dc97

Aliases

arxiv: astro-ph/9707209 · arxiv_version: astro-ph/9707209v1 · doi: 10.48550/arxiv.astro-ph/9707209 · pith_short_12: PTR6XPRLWTLQ · pith_short_16: PTR6XPRLWTLQRX7G · pith_short_8: PTR6XPRL

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/PTR6XPRLWTLQRX7GRQDHSMVCEB \
  | 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: 7ce3ebbe2bb4d708dfe68c067932a220738800047521a9e9367f76f3bfe7dc97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23c1a7122f929d9b8c75c1bbb7bef773bcdf10c0f7c40d0fe95e2606a943a0a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-17T18:40:08Z",
    "title_canon_sha256": "4c3727c836b7a2edab4d251a0445298bb1c321432baebbf6a5456c887567f8ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707209",
    "kind": "arxiv",
    "version": 1
  }
}