Pith Number

pith:DDA2DSLG

pith:2009:DDA2DSLGV4DPZHPUN4EUP3UA2J

not attested not anchored not stored refs pending

Proper Motions in Kapteyn Selected Area 103: A Preliminary Orbit for the Virgo Stellar Stream

A. Katherina Vivas, Dana I. Casetti-Dinescu, Jeffrey L. Carlin, Ronald Wilhelm, Steven R. Majewski, Terrence M. Girard, Timothy C. Beers, William F. van Altena

arxiv:0907.1249 v1 · 2009-07-07 · 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{DDA2DSLGV4DPZHPUN4EUP3UA2J}

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	2026-07-04T15:47:33.018517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c1a1c966af06fc9df46f0947ee80d2639754dd55795a8a54e4a3f1e71f21c0

Aliases

arxiv: 0907.1249 · arxiv_version: 0907.1249v1 · doi: 10.48550/arxiv.0907.1249 · pith_short_12: DDA2DSLGV4DP · pith_short_16: DDA2DSLGV4DPZHPU · pith_short_8: DDA2DSLG

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/DDA2DSLGV4DPZHPUN4EUP3UA2J \
  | 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: 18c1a1c966af06fc9df46f0947ee80d2639754dd55795a8a54e4a3f1e71f21c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bb1a39809e147f9697fed3dc30403ae2e42fe341fa1b973fd02d753eda2738e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-07T16:11:04Z",
    "title_canon_sha256": "9212c94fb5004daba243ef2c894a1d58ceac8c170c7bdea2aa8c374c27108533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1249",
    "kind": "arxiv",
    "version": 1
  }
}