Pith Number

pith:H6DEF75V

pith:2011:H6DEF75VF6L4C24VFGINMI2INY

not attested not anchored not stored refs pending

The SWELLS survey. II. Breaking the disk-halo degeneracy in the spiral galaxy gravitational lens SDSS J2141-0001

A. A. Dutton (Victoria/UCSC), A. S. Bolton (Utah), B. J. Brewer (UCSB), B. P. Holden (UCSC), D. C. Koo (UCSC), L. V. E. Koopmans (Kapteyn), M. W. Auger (UCSB), P. J. Marshall (Stanford/UCSB), T. Treu (UCSB)

arxiv:1101.1622 v2 · 2011-01-08 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6DEF75VF6L4C24VFGINMI2INY}

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	2026-05-18T02:22:59.748210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f8642ffb52f97c16b952990d623486e253a00c65eb7e7a363d2e549f57fb5f5

Aliases

arxiv: 1101.1622 · arxiv_version: 1101.1622v2 · doi: 10.48550/arxiv.1101.1622 · pith_short_12: H6DEF75VF6L4 · pith_short_16: H6DEF75VF6L4C24V · pith_short_8: H6DEF75V

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/H6DEF75VF6L4C24VFGINMI2INY \
  | 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: 3f8642ffb52f97c16b952990d623486e253a00c65eb7e7a363d2e549f57fb5f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2983864c8809ea6f570103977f9e82ea37531bf2db58acef72dd564bb0c7f274",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-08T21:29:09Z",
    "title_canon_sha256": "da92677be608af813176aab5f77f81f89b34484ae5581a84112cc366b6a4779f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1622",
    "kind": "arxiv",
    "version": 2
  }
}