Pith Number

pith:CI7UJ5Z3

pith:2004:CI7UJ5Z3APLLVNCKCSW3NVR64G

not attested not anchored not stored refs pending

Non-parametric mass reconstruction of A1689 from strong lensing data with SLAP

H.B. Sandvik, J.M. Diego, M.Tegmark, N. Benitez, P. Protopapas, T. Broadhurst

arxiv:astro-ph/0412191 v1 · 2004-12-08 · 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{CI7UJ5Z3APLLVNCKCSW3NVR64G}

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	2026-07-04T15:53:45.334205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

123f44f73b03d6bab44a14adb6d63ee1952ceacfe306a79cf4a7956c2c1bcfbe

Aliases

arxiv: astro-ph/0412191 · arxiv_version: astro-ph/0412191v1 · doi: 10.48550/arxiv.astro-ph/0412191 · pith_short_12: CI7UJ5Z3APLL · pith_short_16: CI7UJ5Z3APLLVNCK · pith_short_8: CI7UJ5Z3

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/CI7UJ5Z3APLLVNCKCSW3NVR64G \
  | 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: 123f44f73b03d6bab44a14adb6d63ee1952ceacfe306a79cf4a7956c2c1bcfbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e51b24c423313f1efcce6ae916600a24c779dcbafe47ff7c9243c5345bad76b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-08T21:08:04Z",
    "title_canon_sha256": "4220b9ead41c522ebcbba30cd2ba893ef90458af6886d435fa51fdea0068cf93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412191",
    "kind": "arxiv",
    "version": 1
  }
}