Pith Number

pith:RSMUUNTC

pith:2012:RSMUUNTCB4IWMUTOR26CWAHBNL

not attested not anchored not stored refs pending

The Distance and Size of the Red Hypergiant NML Cyg from VLBA and VLA Astrometry

A. Brunthaler, B. Zhang, K. M. Menten, M. J. Reid, X. W. Zheng

arxiv:1207.1850 v1 · 2012-07-08 · 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{RSMUUNTCB4IWMUTOR26CWAHBNL}

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	2026-05-18T03:51:26.738295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c994a36620f1166526e8ebc2b00e16aec2b9e06e925672c1109c2b8b8bb6376

Aliases

arxiv: 1207.1850 · arxiv_version: 1207.1850v1 · doi: 10.48550/arxiv.1207.1850 · pith_short_12: RSMUUNTCB4IW · pith_short_16: RSMUUNTCB4IWMUTO · pith_short_8: RSMUUNTC

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/RSMUUNTCB4IWMUTOR26CWAHBNL \
  | 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: 8c994a36620f1166526e8ebc2b00e16aec2b9e06e925672c1109c2b8b8bb6376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a66087caa9b1e9844c788467a0bdb4703b2134139f4f47f95ecba42ce2e390b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-08T07:29:10Z",
    "title_canon_sha256": "35f64c370643f2d74f1056f63182a04417859ae5443343862cc4aa8756705968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1850",
    "kind": "arxiv",
    "version": 1
  }
}