Pith Number

pith:IPU3OBCZ

pith:2015:IPU3OBCZDK3XJ3UFBDVMMSIJNG

not attested not anchored not stored refs pending

UrHip Proper Motion Catalog

Bryan N. Dorland, Charlie T. Finch, Julien Frouard, Norbert Zacharias, Valeri V. Makarov

arxiv:1509.05626 v1 · 2015-09-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPU3OBCZDK3XJ3UFBDVMMSIJNG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:30:17.597976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e9b704591ab774ee8508eac6490969b80d38b54a7e003764e5d9f874f3b395

Aliases

arxiv: 1509.05626 · arxiv_version: 1509.05626v1 · doi: 10.48550/arxiv.1509.05626 · pith_short_12: IPU3OBCZDK3X · pith_short_16: IPU3OBCZDK3XJ3UF · pith_short_8: IPU3OBCZ

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/IPU3OBCZDK3XJ3UFBDVMMSIJNG \
  | 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: 43e9b704591ab774ee8508eac6490969b80d38b54a7e003764e5d9f874f3b395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abbcd162fef42be66a35a55b183f79f44cd3f2393675491ebe5a16831ed89999",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-18T13:38:50Z",
    "title_canon_sha256": "731ca18bf2c376d673c241a7ae284f599f5e6dfe99d4f6a09b830a880396cb1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05626",
    "kind": "arxiv",
    "version": 1
  }
}