Pith Number

pith:P56TDDCF

pith:2015:P56TDDCFKWNN4E52KJAMKRFFHS

not attested not anchored not stored refs pending

COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses XV. Assessing the achievability and precision of time-delay measurements

D. Sluse, F. Courbin, G. Meylan, M. Tewes, T. Kuntzer, V. Bonvin

arxiv:1506.07524 v2 · 2015-06-24 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P56TDDCFKWNN4E52KJAMKRFFHS}

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	2026-05-18T01:21:47.314309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f7d318c45559ade13ba5240c544a53cb0298014d71e2b05f219563ad526bc96

Aliases

arxiv: 1506.07524 · arxiv_version: 1506.07524v2 · doi: 10.48550/arxiv.1506.07524 · pith_short_12: P56TDDCFKWNN · pith_short_16: P56TDDCFKWNN4E52 · pith_short_8: P56TDDCF

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/P56TDDCFKWNN4E52KJAMKRFFHS \
  | 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: 7f7d318c45559ade13ba5240c544a53cb0298014d71e2b05f219563ad526bc96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e41f167c42d9d445d785ea9fc5c1c537b6f2900861088ea5e57996c233bd35",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-06-24T20:00:43Z",
    "title_canon_sha256": "24f6329d97301ababe93781cc679ed45258b9c73971fa49ef5a41a4f055c4f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07524",
    "kind": "arxiv",
    "version": 2
  }
}