Pith Number

pith:IIOV6ZB5

pith:2012:IIOV6ZB5QPKH2M46DITHPMUCRJ

not attested not anchored not stored refs pending

ASTRA: ASTrometry and phase-Referencing Astronomy on the Keck interferometer

A. Cooper, A. Ghez, B. Berkey, B. Smith, C. Felizardo, C. Tyau, D. Medeiros, D. Morrison, E. Appleby, E. Wetherell, J. Eisner, J. Graham, J. Herstein, J. Monnier, J.-U. Pott, J. Woillez, K. Summers, K. Tsubota, L. Hillenbrand, M. Colavita, M. Hrynevych, O. Martin, P. Wizinowich, R. Akeson, R. Millan-Gabet, S. Ragland, T. Panteleeva

arxiv:1208.3272 v1 · 2012-08-16 · 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{IIOV6ZB5QPKH2M46DITHPMUCRJ}

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	2026-05-18T03:48:36.360937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

421d5f643d83d47d339e1a2677b2828a56cfdf0d90569ec46ad5287f7abc642a

Aliases

arxiv: 1208.3272 · arxiv_version: 1208.3272v1 · doi: 10.48550/arxiv.1208.3272 · pith_short_12: IIOV6ZB5QPKH · pith_short_16: IIOV6ZB5QPKH2M46 · pith_short_8: IIOV6ZB5

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/IIOV6ZB5QPKH2M46DITHPMUCRJ \
  | 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: 421d5f643d83d47d339e1a2677b2828a56cfdf0d90569ec46ad5287f7abc642a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2916303f32c16fdd7b4bbe03f78a2f086bcdf50c6598578082e18558f1b219d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-08-16T03:02:51Z",
    "title_canon_sha256": "befe7c71d2295ecaf2e9d23e71f371a1b0223e03ee2370acd3147cbf41261cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3272",
    "kind": "arxiv",
    "version": 1
  }
}