Pith Number

pith:ISRCLK46

pith:2016:ISRCLK46ZKGEBN6ON45T42DO5R

not attested not anchored not stored refs pending

Tracing dark energy with quasars

A. Kurcz, A. Pollo, A. Udalski, B. Czerny, J. \'Sredzi\'nska, K. Hryniewicz, M. Bilicki, M. Krupa, P. Marziani, W. Pych

arxiv:1606.05130 v1 · 2016-06-16 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISRCLK46ZKGEBN6ON45T42DO5R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:12:21.967468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44a225ab9eca8c40b7ce6f3b3e686eec7a7aee56f178235adc63863b80b821c0

Aliases

arxiv: 1606.05130 · arxiv_version: 1606.05130v1 · doi: 10.48550/arxiv.1606.05130 · pith_short_12: ISRCLK46ZKGE · pith_short_16: ISRCLK46ZKGEBN6O · pith_short_8: ISRCLK46

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/ISRCLK46ZKGEBN6ON45T42DO5R \
  | 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: 44a225ab9eca8c40b7ce6f3b3e686eec7a7aee56f178235adc63863b80b821c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be0fbb7631bd92a7b7677ea570dcf61bced7b9f3ef3308bad9177b9935d7805",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-06-16T10:39:04Z",
    "title_canon_sha256": "4efd2c2ba440eb146311fa8369a9efa8be7f875bcadbaf5db1f504772693122e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05130",
    "kind": "arxiv",
    "version": 1
  }
}