Pith Number

pith:2IWIYFHM

pith:2013:2IWIYFHMMX652OJIQ7WK3CCUTA

not attested not anchored not stored refs pending

Simulating a dual beam combiner at SUSI for narrow-angle astrometry

J Gordon Robertson, Michael J Ireland, Peter G Tuthill, Vicente Maestro, Yitping Kok

arxiv:1302.7139 v1 · 2013-02-28 · 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{2IWIYFHMMX652OJIQ7WK3CCUTA}

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	2026-05-18T01:51:26.168297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22c8c14ec65fddd392887ecad8854983aed75d5d71bc28301600a7aba25e69f

Aliases

arxiv: 1302.7139 · arxiv_version: 1302.7139v1 · doi: 10.48550/arxiv.1302.7139 · pith_short_12: 2IWIYFHMMX65 · pith_short_16: 2IWIYFHMMX652OJI · pith_short_8: 2IWIYFHM

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/2IWIYFHMMX652OJIQ7WK3CCUTA \
  | 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: d22c8c14ec65fddd392887ecad8854983aed75d5d71bc28301600a7aba25e69f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "675500482505531510c823ef787890e7a77d998dbb1b2d7e8ea3149a554c1730",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-02-28T10:21:26Z",
    "title_canon_sha256": "47ec635555a8e11b7e31e2d0f984b19863fcaac800471688d233d4f8b18623ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7139",
    "kind": "arxiv",
    "version": 1
  }
}