Pith Number

pith:HSUSYL4M

pith:2012:HSUSYL4MGOF3A2XZND6YUKJAWU

not attested not anchored not stored refs pending

Gaia and the dynamics of the Galaxy

Benoit Famaey

arxiv:1209.5753 v1 · 2012-09-25 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSUSYL4MGOF3A2XZND6YUKJAWU}

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	2026-05-18T03:44:46.566580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ca92c2f8c338bb06af968fd8a2920b514d9c5f75aad35d4970cf392a5428c20

Aliases

arxiv: 1209.5753 · arxiv_version: 1209.5753v1 · doi: 10.48550/arxiv.1209.5753 · pith_short_12: HSUSYL4MGOF3 · pith_short_16: HSUSYL4MGOF3A2XZ · pith_short_8: HSUSYL4M

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/HSUSYL4MGOF3A2XZND6YUKJAWU \
  | 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: 3ca92c2f8c338bb06af968fd8a2920b514d9c5f75aad35d4970cf392a5428c20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a09cbb7f24fba7e729b0021218d79ddbdb25da383bc4565fcd52f0eb3b01b8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-09-25T20:04:06Z",
    "title_canon_sha256": "a181ab45ce02a7cd491fb95f442b123a6012ea8da287a494d220a7115d220707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5753",
    "kind": "arxiv",
    "version": 1
  }
}