Pith Number

pith:DOSJB6TI

pith:2016:DOSJB6TIFDHNVHDJKAMS6VVMPW

not attested not anchored not stored refs pending

SHARP - III: First Use Of Adaptive Optics Imaging To Constrain Cosmology With Gravitational Lens Time Delays

Aleksi Halkola, Christopher D. Fassnacht, David J. Lagattuta, Geoff C.-F. Chen, I Shing Hu, John P. McKean, Kenneth C. Wong, Leon V. E. Koopmans, Matthew W. Auger, Sherry H. Suyu, Simona Vegetti, Tzihong Chiueh

arxiv:1601.01321 v2 · 2016-01-06 · astro-ph.CO · astro-ph.GA

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.

Receipt and verification

First computed	2026-05-18T01:08:12.291397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba490fa6828ceda9c6950192f56ac7da387f838e2608a5c6de1ee50b73cbd53

Aliases

arxiv: 1601.01321 · arxiv_version: 1601.01321v2 · doi: 10.48550/arxiv.1601.01321 · pith_short_12: DOSJB6TIFDHN · pith_short_16: DOSJB6TIFDHNVHDJ · pith_short_8: DOSJB6TI

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/DOSJB6TIFDHNVHDJKAMS6VVMPW \
  | 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: 1ba490fa6828ceda9c6950192f56ac7da387f838e2608a5c6de1ee50b73cbd53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c852b04d289a545f4e540d48fa68380a26e4ecf1de8777071ac12b3bf3761e75",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-01-06T21:00:05Z",
    "title_canon_sha256": "21966eb484a91ee2158ad670aec7dd42ba3d9f7c0661b798e4f7458e4e49ca5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01321",
    "kind": "arxiv",
    "version": 2
  }
}