Pith Number

pith:RK7KVS44

pith:2002:RK7KVS44MVBC2J6ZOD2I7YEHWM

not attested not anchored not stored refs pending

Could Dark Energy be Measured from Redshift Surveys ?

Cambridge), Ofer Lahav (IoA

arxiv:astro-ph/0212358 v1 · 2002-12-16 · 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{RK7KVS44MVBC2J6ZOD2I7YEHWM}

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	2026-07-04T14:12:30.822501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8abeaacb9c65422d27d970f48fe087b32819a4b7df391ca55e1f8f5b0215545e

Aliases

arxiv: astro-ph/0212358 · arxiv_version: astro-ph/0212358v1 · doi: 10.48550/arxiv.astro-ph/0212358 · pith_short_12: RK7KVS44MVBC · pith_short_16: RK7KVS44MVBC2J6Z · pith_short_8: RK7KVS44

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/RK7KVS44MVBC2J6ZOD2I7YEHWM \
  | 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: 8abeaacb9c65422d27d970f48fe087b32819a4b7df391ca55e1f8f5b0215545e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "126875f28f96b7c0a075196fc294014675e593d76c9ca86e76de8f68add0fcbc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-16T22:15:59Z",
    "title_canon_sha256": "e2fa93360e1322dfcaff330ae99fb81618c94e9bc7b1a2c37f29efcc1cd6343e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212358",
    "kind": "arxiv",
    "version": 1
  }
}