Pith Number

pith:F7X4AF3R

pith:2016:F7X4AF3RALTIIS5LWR2EVMZ4MT

not attested not anchored not stored refs pending

InnoPOL: an EMCCD imaging polarimeter and 85-element curvature AO system on the 3.6-m AEOS telescope for cost effective polarimetric speckle suppression

Christ Ftaclas, Daniel Gisler, David Harrington, Jeff Kuhn, Mark Chun, Svetlana Berdyugina

arxiv:1604.02738 v1 · 2016-04-10 · 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{F7X4AF3RALTIIS5LWR2EVMZ4MT}

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	2026-05-18T01:17:22.258000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fefc0177102e6844babb4744ab33c64d9ecf0d97e56de929b06e8285f7e7df8

Aliases

arxiv: 1604.02738 · arxiv_version: 1604.02738v1 · doi: 10.48550/arxiv.1604.02738 · pith_short_12: F7X4AF3RALTI · pith_short_16: F7X4AF3RALTIIS5L · pith_short_8: F7X4AF3R

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/F7X4AF3RALTIIS5LWR2EVMZ4MT \
  | 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: 2fefc0177102e6844babb4744ab33c64d9ecf0d97e56de929b06e8285f7e7df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1605ee01e4644ad241b94c1ed608c1f1ad3557ff1441c0f05735e8d8363ee355",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-04-10T21:29:05Z",
    "title_canon_sha256": "8e5f3c62ec8e05f45dc71a169749b0328ba57ed3bdbeed50422f64cd74bdd94e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02738",
    "kind": "arxiv",
    "version": 1
  }
}