Pith Number

pith:N643CWEL

pith:2019:N643CWELVG2XOVFM653PT3VLX2

not attested not anchored not stored refs pending

Trigonometric Parallaxes of Star Forming Regions Beyond the Tangent Point of the Sagittarius Spiral Arm

A. Brunthaler, B. Ho, B. Zhang, J.J. Li, K. L. J. Rygl, K. M. Menten, M. J. Reid, N. Sakai, T. M. Dame, X.W. Zheng, Y. W. Wu, Y. Xu

arxiv:1901.09313 v1 · 2019-01-27 · 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{N643CWELVG2XOVFM653PT3VLX2}

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	2026-05-17T23:49:39.448757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb9b1588ba9b57754acf776f9eeabbe854102270a96dc7abb881085ae38a49f

Aliases

arxiv: 1901.09313 · arxiv_version: 1901.09313v1 · doi: 10.48550/arxiv.1901.09313 · pith_short_12: N643CWELVG2X · pith_short_16: N643CWELVG2XOVFM · pith_short_8: N643CWEL

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/N643CWELVG2XOVFM653PT3VLX2 \
  | 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: 6fb9b1588ba9b57754acf776f9eeabbe854102270a96dc7abb881085ae38a49f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaff774e8d2cd858fcb32888e1634975fb52d97fbd675f9df7bc2b18d874142b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-27T04:33:47Z",
    "title_canon_sha256": "684c804a67b84f742cd7d541b35cf7343a96330a1ee1860bb1ac36ef1d5f82e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09313",
    "kind": "arxiv",
    "version": 1
  }
}