Pith Number

pith:B22LCAK4

pith:2018:B22LCAK4QAB3PTFT2JKZIF6DMP

not attested not anchored not stored refs pending

Towards controlled Fizeau observations with the Large Binocular Telescope

Eckhart Spalding, Erin Maier, Jordan Stone, Phil Hinz, Steve Ertel

arxiv:1806.06152 v1 · 2018-06-16 · 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{B22LCAK4QAB3PTFT2JKZIF6DMP}

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	2026-05-18T00:13:03.527166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eb4b1015c8003b7ccb3d2559417c363e6b979a2f49efaa28ef258655e449d8a

Aliases

arxiv: 1806.06152 · arxiv_version: 1806.06152v1 · doi: 10.48550/arxiv.1806.06152 · pith_short_12: B22LCAK4QAB3 · pith_short_16: B22LCAK4QAB3PTFT · pith_short_8: B22LCAK4

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/B22LCAK4QAB3PTFT2JKZIF6DMP \
  | 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: 0eb4b1015c8003b7ccb3d2559417c363e6b979a2f49efaa28ef258655e449d8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1c8aad94cdef0245d3a0e9321d87d2b7f8d4ba8517369fef729510b7bae7aa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-16T00:05:22Z",
    "title_canon_sha256": "cc09566feb0c3844b053cd5febc56b51c4cb4b203110638c3fe9664f91b98c14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06152",
    "kind": "arxiv",
    "version": 1
  }
}