Pith Number

pith:DPQW6JCG

pith:2016:DPQW6JCGLTCR5XMVONGMHB6ZFE

not attested not anchored not stored refs pending

A tomographic algorithm to determine tip-tilt information from laser guide stars

A. P. Reeves, J. Osborn, N. A. Bharmal, R. M. Myers, T. J. Morris

arxiv:1601.07819 v2 · 2016-01-28 · 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{DPQW6JCGLTCR5XMVONGMHB6ZFE}

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	2026-05-18T01:18:37.814810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be16f24465cc51edd95734cc387d92932483693d16a561a4aafcff9c43e99c4

Aliases

arxiv: 1601.07819 · arxiv_version: 1601.07819v2 · doi: 10.48550/arxiv.1601.07819 · pith_short_12: DPQW6JCGLTCR · pith_short_16: DPQW6JCGLTCR5XMV · pith_short_8: DPQW6JCG

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/DPQW6JCGLTCR5XMVONGMHB6ZFE \
  | 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: 1be16f24465cc51edd95734cc387d92932483693d16a561a4aafcff9c43e99c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dfe6579a0220910c632ee7d5a3c80a9489ca37f98414fa965df21d721382edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-01-28T16:31:27Z",
    "title_canon_sha256": "a76a707310a3ae580f3651d13f779fe2043025ff08f3e180cd412807eb92b17c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07819",
    "kind": "arxiv",
    "version": 2
  }
}