Pith Number

pith:P7VRNLB7

pith:2007:P7VRNLB7WK6Q74X33CMGQVAUTV

not attested not anchored not stored refs pending

The Red-Sequence Cluster Surveys

D.G. Gilbank, E. Ellingson, H. Hoekstra, H.K.C. Yee, M.D. Gladders, S. Majumdar, the RCS-2 Collaboration

arxiv:astro-ph/0701839 v1 · 2007-01-29 · 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{P7VRNLB7WK6Q74X33CMGQVAUTV}

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	2026-07-04T14:59:08.625658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7feb16ac3fb2bd0ff2fbd8986854149d4d4b039ef82dd27312343b382d11f8bb

Aliases

arxiv: astro-ph/0701839 · arxiv_version: astro-ph/0701839v1 · doi: 10.48550/arxiv.astro-ph/0701839 · pith_short_12: P7VRNLB7WK6Q · pith_short_16: P7VRNLB7WK6Q74X3 · pith_short_8: P7VRNLB7

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/P7VRNLB7WK6Q74X33CMGQVAUTV \
  | 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: 7feb16ac3fb2bd0ff2fbd8986854149d4d4b039ef82dd27312343b382d11f8bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d70742be4ac46438a47329051739d0f5f415545d4c5e03f8364efe01f2a67af8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-29T23:06:15Z",
    "title_canon_sha256": "5613516c7871900284e7df9c91fe56360cd541fe11ea85b18f48aff13a82275b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701839",
    "kind": "arxiv",
    "version": 1
  }
}