Pith Number

pith:FYLOI3DC

pith:2009:FYLOI3DC6BUOHS4QMDB3SPSZIG

not attested not anchored not stored refs pending

Mid-infrared guided optics: a perspective for astronomical instruments

L. Labadie (MPIA), O. Wallner (Astrium)

arxiv:0902.0785 v1 · 2009-02-04 · 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{FYLOI3DC6BUOHS4QMDB3SPSZIG}

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	2026-05-18T04:37:22.782030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e16e46c62f068e3cb9060c3b93e594193820e2bbacb7652e4f33388e1b732f7

Aliases

arxiv: 0902.0785 · arxiv_version: 0902.0785v1 · doi: 10.48550/arxiv.0902.0785 · pith_short_12: FYLOI3DC6BUO · pith_short_16: FYLOI3DC6BUOHS4Q · pith_short_8: FYLOI3DC

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/FYLOI3DC6BUOHS4QMDB3SPSZIG \
  | 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: 2e16e46c62f068e3cb9060c3b93e594193820e2bbacb7652e4f33388e1b732f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65373acac86847bb78ed816f665b4225acdb961c1cb2edbe4c841230c4eec35c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-02-04T20:07:57Z",
    "title_canon_sha256": "b2d5c0b320b1ddab8e748701ba36950b085d8d6dc808b274efbbfe50d40f6fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0785",
    "kind": "arxiv",
    "version": 1
  }
}