Pith Number

pith:MTRD55ZW

pith:2018:MTRD55ZW7FXDKA563DFL37SMOF

not attested not anchored not stored refs pending

Optimizing astrophotonic spatial reformatters using simulated on-sky performance

Andreas Quirrenbach, Andrew P. Reeves, Christian Schwab, David G. MacLachlan, Mark K. Corrigan, Matthew J. Townson, Robert J. Harris, Robert R. Thomson, Theodoros Anagnos, Tim J. Morris

arxiv:1807.06372 v1 · 2018-07-17 · 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{MTRD55ZW7FXDKA563DFL37SMOF}

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	2026-05-18T00:10:33.223173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64e23ef736f96e3503bed8cabdfe4c717cd9db531fa09e666d66885c4462bd2b

Aliases

arxiv: 1807.06372 · arxiv_version: 1807.06372v1 · doi: 10.48550/arxiv.1807.06372 · pith_short_12: MTRD55ZW7FXD · pith_short_16: MTRD55ZW7FXDKA56 · pith_short_8: MTRD55ZW

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/MTRD55ZW7FXDKA563DFL37SMOF \
  | 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: 64e23ef736f96e3503bed8cabdfe4c717cd9db531fa09e666d66885c4462bd2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad31ab07ece3dc49aae5b88a34d54d7212253c5781051d87e2fa02b36a9b9684",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-17T12:07:06Z",
    "title_canon_sha256": "831ecf3178b3a5ddcf5f4ee6d8199f0b9ce0af57c591fc238d7beb87efa3fe92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06372",
    "kind": "arxiv",
    "version": 1
  }
}