Pith Number

pith:OYSRX5AG

pith:2016:OYSRX5AG4VAYYOUVFUPA5PTFWJ

not attested not anchored not stored refs pending

Observing the PTPS Sample of Evolved Exoplanet Host Candidates Using the NPOI

Aleksander Wolszczan, Andrzej Niedzielski, Ellyn K. Baines, Henrique R. Schmitt, James A. Benson, J. Thomas Armstrong, Martin Vanko, Pawel Zielinski, R. T. Zavala

arxiv:1609.02376 v1 · 2016-09-08 · 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{OYSRX5AG4VAYYOUVFUPA5PTFWJ}

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	2026-05-18T00:55:12.050063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76251bf406e5418c3a952d1e0ebe65b270c0e1e25b5be25e4d04c914b1f6d2be

Aliases

arxiv: 1609.02376 · arxiv_version: 1609.02376v1 · doi: 10.48550/arxiv.1609.02376 · pith_short_12: OYSRX5AG4VAY · pith_short_16: OYSRX5AG4VAYYOUV · pith_short_8: OYSRX5AG

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/OYSRX5AG4VAYYOUVFUPA5PTFWJ \
  | 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: 76251bf406e5418c3a952d1e0ebe65b270c0e1e25b5be25e4d04c914b1f6d2be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0667efa0623800d6f94f737809bc256c1179698109ebad0c6dba2e83e257c16c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-08T11:22:37Z",
    "title_canon_sha256": "5b2d62b6013da73299e26382c52f25a35de9c75f0a0587a16127e80dc53994f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02376",
    "kind": "arxiv",
    "version": 1
  }
}