Pith Number

pith:DRYU2TYO

pith:2015:DRYU2TYODQTMAZSYATADITXWIE

not attested not anchored not stored refs pending

Efficient photonic reformatting of celestial light for diffraction-limited spectroscopy

Alastair G. Basden, Alexander Arriola, David G. MacLachlan, Debaditya Choudhury, Eric Gendron, Itandehui Gris-S\'anchez, Izabela J. Spaleniak, Jeremy R. Allington-Smith, Robert J. Harris, Robert R. Thomson, Tim A. Birks, Timothy J. Morris

arxiv:1512.07309 v1 · 2015-12-23 · 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{DRYU2TYODQTMAZSYATADITXWIE}

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	2026-05-18T01:02:45.266095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c714d4f0e1c26c0665804c0344ef6411bbb6a114fbf784da499e4238c3b0ebf

Aliases

arxiv: 1512.07309 · arxiv_version: 1512.07309v1 · doi: 10.48550/arxiv.1512.07309 · pith_short_12: DRYU2TYODQTM · pith_short_16: DRYU2TYODQTMAZSY · pith_short_8: DRYU2TYO

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/DRYU2TYODQTMAZSYATADITXWIE \
  | 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: 1c714d4f0e1c26c0665804c0344ef6411bbb6a114fbf784da499e4238c3b0ebf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a77439bb11522a2987271b2c252ebb7120d5bf1f198bd529df97dd324ed87d89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-23T00:16:17Z",
    "title_canon_sha256": "1bf1524799a1c0e17c3efad411a9fcd09eab1859d0aea7ab222cf9ec646f8854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07309",
    "kind": "arxiv",
    "version": 1
  }
}