Pith Number

pith:YE2NDUKB

pith:2011:YE2NDUKBEXZ7DTYJKSZ5RJ64JN

not attested not anchored not stored refs pending

Trigonometric Parallaxes of Massive Star-Forming Regions. IX. The Outer Arm in the First Quadrant

A. Brunthaler, A. Sanna, K. M. Menten, L. Moscadelli, M. J. Reid, T. M. Dame, X. W. Zheng, Y. Xu

arxiv:1110.4313 v1 · 2011-10-19 · 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{YE2NDUKBEXZ7DTYJKSZ5RJ64JN}

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	2026-05-18T02:00:08.546062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c134d1d14125f3f1cf0954b3d8a7dc4b77b98c8eac57f4406d402e8be511a34e

Aliases

arxiv: 1110.4313 · arxiv_version: 1110.4313v1 · doi: 10.48550/arxiv.1110.4313 · pith_short_12: YE2NDUKBEXZ7 · pith_short_16: YE2NDUKBEXZ7DTYJ · pith_short_8: YE2NDUKB

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/YE2NDUKBEXZ7DTYJKSZ5RJ64JN \
  | 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: c134d1d14125f3f1cf0954b3d8a7dc4b77b98c8eac57f4406d402e8be511a34e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad119dbac02c2822374f1c140ee1b6c7f586f69a9f8c219cc91d595905b6f11b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-10-19T15:43:35Z",
    "title_canon_sha256": "de5e070079dcefe47daae8f3ca21d561112b189afa428a829a45a6e796e6df52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4313",
    "kind": "arxiv",
    "version": 1
  }
}