Pith Number

pith:72VUCF6V

pith:2003:72VUCF6VAGTYGSMUX5YBXCP5Y3

not attested not anchored not stored refs pending

A Geometric Determination of the Distance to the Galactic Center

A. Eckart, F. Eisenhauer, M. Tecza, R. Abuter, R. Genzel, R. Schoedel, T. Alexander, T. Ott

arxiv:astro-ph/0306220 v1 · 2003-06-11 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72VUCF6VAGTYGSMUX5YBXCP5Y3}

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	2026-07-04T16:37:17.135648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feab4117d501a7834994bf701b89fdc6fdd5997694b4daf8ca126a42a4f6da66

Aliases

arxiv: astro-ph/0306220 · arxiv_version: astro-ph/0306220v1 · doi: 10.48550/arxiv.astro-ph/0306220 · pith_short_12: 72VUCF6VAGTY · pith_short_16: 72VUCF6VAGTYGSMU · pith_short_8: 72VUCF6V

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/72VUCF6VAGTYGSMUX5YBXCP5Y3 \
  | 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: feab4117d501a7834994bf701b89fdc6fdd5997694b4daf8ca126a42a4f6da66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b01a47765e6d550c987cf9a68006328a90035a6e30e15216bba29721ad82ad",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-11T07:25:49Z",
    "title_canon_sha256": "4ddb9dc3c1be95a2e4f115fe4b989e7dee30a10616d7133bd15a5a6e0d894ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306220",
    "kind": "arxiv",
    "version": 1
  }
}