Pith Number

pith:IO72RPMO

pith:2020:IO72RPMORMPHC7GT33C35LO6GI

not attested not anchored not stored refs pending

ISPY -- NACO Imaging Survey for Planets around Young stars: Survey description and results from the first 2.5 years of observations

A. C. Cheetham, A.-L. Maire, A. M\"uller, A. Musso Barcucci, A. Quirrenbach, D. Queloz, D. S\'egransan, E. L. Rickman, F. Pepe, G. Cugno, G. M. Kennedy, H. Avenhaus, H. L. Ruh, J. Girard, J. Olofsson, M. Samland, N. Godoy, R. Launhardt, R. van Boekel, S. Metchev, S. P. Quanz, S. Reffert, S. S. Brems, Th. Henning

arxiv:2002.01807 v2 · 2020-02-05 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IO72RPMORMPHC7GT33C35LO6GI}

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	2026-07-05T00:51:40.120201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43bfa8bd8e8b1e717cd3dec5beadde32386b1b9804cfa0b3b147ede25356c228

Aliases

arxiv: 2002.01807 · arxiv_version: 2002.01807v2 · doi: 10.48550/arxiv.2002.01807 · pith_short_12: IO72RPMORMPH · pith_short_16: IO72RPMORMPHC7GT · pith_short_8: IO72RPMO

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/IO72RPMORMPHC7GT33C35LO6GI \
  | 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: 43bfa8bd8e8b1e717cd3dec5beadde32386b1b9804cfa0b3b147ede25356c228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b491b7bce812a903f5a0776b8f6cf8d78355624cbfe041fb451bfb97bbc3b5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-02-05T14:30:33Z",
    "title_canon_sha256": "3a7a83bdafde14a15cbff1c4df45b2828f93a6b7318a80c0c60d7b742a5e1701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01807",
    "kind": "arxiv",
    "version": 2
  }
}