Pith Number

pith:ASJSA7DD

pith:2016:ASJSA7DD27G5RJRX43JRDYRTK3

not attested not anchored not stored refs pending

H0LiCOW II. Spectroscopic survey and galaxy-group identification of the strong gravitational lens system HE0435-1223

A. Sonnenfeld, C. D. Fassnacht, C. E. Rusu, C. Spiniello, D. Sluse, F. Courbin, G. Meylan, K. C. Wong, L. V. E. Koopmans, M. Tewes, M. W. Auger, N. Rumbaugh, P. J. Marshall, S. Hilbert, S. H. Suyu, T. Collett, T. Treu, V. Bonvin

arxiv:1607.00382 v2 · 2016-07-01 · 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{ASJSA7DD27G5RJRX43JRDYRTK3}

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	2026-05-18T00:39:02.649689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0493207c63d7cdd8a637e6d311e23356d0bcd7adf822a3187c3998cadd42f96e

Aliases

arxiv: 1607.00382 · arxiv_version: 1607.00382v2 · doi: 10.48550/arxiv.1607.00382 · pith_short_12: ASJSA7DD27G5 · pith_short_16: ASJSA7DD27G5RJRX · pith_short_8: ASJSA7DD

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/ASJSA7DD27G5RJRX43JRDYRTK3 \
  | 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: 0493207c63d7cdd8a637e6d311e23356d0bcd7adf822a3187c3998cadd42f96e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "233c9d225940eb3b999a9293af937c9ea75e43d92c96678a63e1e6ed7ec4395c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-07-01T20:00:00Z",
    "title_canon_sha256": "ddd24cc98f65739c4fca1dd3c946a95fedeb8456a5cdcb9f074380a81163d242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00382",
    "kind": "arxiv",
    "version": 2
  }
}