Pith Number

pith:HGRNRTFG

pith:2010:HGRNRTFG7XR7D7DSQWGDUDYNOT

not attested not anchored not stored refs pending

Trigonometric Parallax of W51 Main/South

A. Brunthaler, K. M. Menten, M. J. Reid, M. Sato

arxiv:1006.4218 v4 · 2010-06-22 · 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{HGRNRTFG7XR7D7DSQWGDUDYNOT}

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	2026-05-18T02:06:43.850864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39a2d8cca6fde3f1fc72858c3a0f0d74e2ab6fdbaa6f27afba91a70bb58daa74

Aliases

arxiv: 1006.4218 · arxiv_version: 1006.4218v4 · doi: 10.48550/arxiv.1006.4218 · pith_short_12: HGRNRTFG7XR7 · pith_short_16: HGRNRTFG7XR7D7DS · pith_short_8: HGRNRTFG

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/HGRNRTFG7XR7D7DSQWGDUDYNOT \
  | 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: 39a2d8cca6fde3f1fc72858c3a0f0d74e2ab6fdbaa6f27afba91a70bb58daa74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845e7166ebdd2ee07556b5a5a3065c57e2d79ecf600b8bca2795c143d672e6cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-06-22T07:04:22Z",
    "title_canon_sha256": "16ec503ed3cf6dabff3a8d7e73511b3ddb74fa4b8615c0abaea7dc2e5699af2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4218",
    "kind": "arxiv",
    "version": 4
  }
}