Pith Number

pith:S34JZXLB

pith:2026:S34JZXLBIOKKFZRVTCUUTNQF75

not attested not anchored not stored refs pending

Cosmic Rulers: Masers as Tools for Probing Structure in the Galaxy and Beyond, from AU to kpc

Alberto Sanna, Andreas Brunthaler, Anna Bartkiewicz, Arshia Maria Jacob, Dieter Engels, Jacco Th. van Loon, Kazi L. J. Rygl, Lucero Uscanga, Olga Bayandina, Sandra Etoka, Simon Ellingsen, Tomoya Hirota

arxiv:2606.31237 v1 · 2026-06-30 · astro-ph.GA · 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{S34JZXLBIOKKFZRVTCUUTNQF75}

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	2026-07-01T01:17:56.655910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96f89cdd614394a2e63598a949b605ff7131c21b9db481aabab91940078770a8

Aliases

arxiv: 2606.31237 · arxiv_version: 2606.31237v1 · doi: 10.48550/arxiv.2606.31237 · pith_short_12: S34JZXLBIOKK · pith_short_16: S34JZXLBIOKKFZRV · pith_short_8: S34JZXLB

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/S34JZXLBIOKKFZRVTCUUTNQF75 \
  | 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: 96f89cdd614394a2e63598a949b605ff7131c21b9db481aabab91940078770a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aa574b664cbd56ebb1b91ecae6ef4286ef621cfd29e2c94fd7a07dacbee2e6c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-30T07:10:32Z",
    "title_canon_sha256": "27363eddb2c559dc4c45d6267d5dc1a98f76c243f5b02f00b769f5906c1710b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31237",
    "kind": "arxiv",
    "version": 1
  }
}