Pith Number

pith:DLDP2XH6

pith:2018:DLDP2XH6ELO5L5K7SWM5DRO2X3

not attested not anchored not stored refs pending

Overview of the SAPHIRA Detector for AO Applications

Donald N.B. Hall, Eric Warmbier, Olivier Guyon, Sean B. Goebel, Shane M. Jacobson

arxiv:1805.08419 v2 · 2018-05-22 · 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{DLDP2XH6ELO5L5K7SWM5DRO2X3}

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	2026-05-18T00:10:10.148929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ac6fd5cfe22ddd5f55f9599d1c5dabecdcfd5cdba683a7e9ffea7dc1d677f28

Aliases

arxiv: 1805.08419 · arxiv_version: 1805.08419v2 · doi: 10.48550/arxiv.1805.08419 · pith_short_12: DLDP2XH6ELO5 · pith_short_16: DLDP2XH6ELO5L5K7 · pith_short_8: DLDP2XH6

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/DLDP2XH6ELO5L5K7SWM5DRO2X3 \
  | 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: 1ac6fd5cfe22ddd5f55f9599d1c5dabecdcfd5cdba683a7e9ffea7dc1d677f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e8e5d2168e14f03e27c0d3cc05856a1bafda3fc79c7d04a6b0c2f3fd1b28fdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-22T06:25:10Z",
    "title_canon_sha256": "c6c1ea4a022a32d66b227fb5a8a5e45a326b2ae4506da32847dcf0830b311ad4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08419",
    "kind": "arxiv",
    "version": 2
  }
}