Pith Number

pith:6DIS6IRP

pith:2012:6DIS6IRPEYV3QAJTBR5TAP32WC

not attested not anchored not stored refs pending

VLBI for Gravity Probe B. V. Proper Motion and Parallax of the Guide Star, IM Pegasi

D. E. Lebach, I. I. Shapiro, J.-F. Lestrade, M. F. Bietenholz, M. I. Ratner, N. Bartel, R. R. Ransom

arxiv:1204.4640 v1 · 2012-04-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6DIS6IRPEYV3QAJTBR5TAP32WC}

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	2026-05-18T01:57:48.121212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0d12f222f262bb801330c7b303f7ab0bfeed239d09cff01e08ae1d7b48ef9ca

Aliases

arxiv: 1204.4640 · arxiv_version: 1204.4640v1 · doi: 10.48550/arxiv.1204.4640 · pith_short_12: 6DIS6IRPEYV3 · pith_short_16: 6DIS6IRPEYV3QAJT · pith_short_8: 6DIS6IRP

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/6DIS6IRPEYV3QAJTBR5TAP32WC \
  | 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: f0d12f222f262bb801330c7b303f7ab0bfeed239d09cff01e08ae1d7b48ef9ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3e9707ee0b667426cac16c49bc982077a6e6c280de421ebb91d539e06ce21cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-04-20T14:17:36Z",
    "title_canon_sha256": "4dadbf50396dffcfb88b3549b55fdd461871c32fe76f4a41ab727a4627dfca28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4640",
    "kind": "arxiv",
    "version": 1
  }
}