Pith Number

pith:W6BH3N2X

pith:2012:W6BH3N2X4XVFTIOEBTLNNZTIAA

not attested not anchored not stored refs pending

Two accurate time-delay distances from strong lensing: Implications for cosmology

C. D. Fassnacht, D. Sluse, F. Courbin, G. Meylan, L. V. E. Koopmans, M. Tewes, M. W. Auger, P. J. Marshall, R. D. Blandford, S. Hilbert, S. H. Suyu, T. Treu

arxiv:1208.6010 v2 · 2012-08-29 · astro-ph.CO

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

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.

Cited by

1 paper in Pith

Finding Strongly Lensed Supernovae from Blended Light Curves

Receipt and verification

First computed	2026-05-18T01:54:50.076470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7827db757e5ea59a1c40cd6d6e6680032a351f289afea406799bcd74035c2d4

Aliases

arxiv: 1208.6010 · arxiv_version: 1208.6010v2 · doi: 10.48550/arxiv.1208.6010 · pith_short_12: W6BH3N2X4XVF · pith_short_16: W6BH3N2X4XVFTIOE · pith_short_8: W6BH3N2X

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/W6BH3N2X4XVFTIOEBTLNNZTIAA \
  | 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: b7827db757e5ea59a1c40cd6d6e6680032a351f289afea406799bcd74035c2d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a3f7930606b442c54386d63d7e2c7e39186def2eaff17537c5b927a203fc6b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-29T20:00:03Z",
    "title_canon_sha256": "4a9d9cb392d99e45fca42d2a9d6dabfd7bff784485383a87357d801780e6590a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6010",
    "kind": "arxiv",
    "version": 2
  }
}