Pith Number

pith:F3BUOES7

pith:2021:F3BUOES7JIXFGROYH7JHZU5ESK

not attested not anchored not stored refs pending

VERA astrometry toward the Perseus arm gap

Daisuke Sakai, Hiroyuki Nakanishi, Jeong-Sook Kim, Kazuya Hachisuka, Kohei Kurahara, Nobuyuki Sakai, Osamu Kameya

arxiv:2111.14900 v1 · 2021-11-29 · 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{F3BUOES7JIXFGROYH7JHZU5ESK}

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	2026-07-05T03:47:28.033179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ec347125f4a2e5345d83fd27cd3a49286fe9f66221564a52ccd5575e2f4cd07

Aliases

arxiv: 2111.14900 · arxiv_version: 2111.14900v1 · doi: 10.48550/arxiv.2111.14900 · pith_short_12: F3BUOES7JIXF · pith_short_16: F3BUOES7JIXFGROY · pith_short_8: F3BUOES7

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/F3BUOES7JIXFGROYH7JHZU5ESK \
  | 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: 2ec347125f4a2e5345d83fd27cd3a49286fe9f66221564a52ccd5575e2f4cd07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818a18905c396bc1830950234ed9272fef3ccc5f8fef953ae11732dc560ae053",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-29T19:16:32Z",
    "title_canon_sha256": "f98bc44d7788b8965391c3e7b568c3f0677febeb47aeba796cb9d8344b7f1f1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14900",
    "kind": "arxiv",
    "version": 1
  }
}