Pith Number

pith:RTYNMW4P

pith:2010:RTYNMW4PXRL46OOFL5T6WW7FP3

not attested not anchored not stored refs pending

Synthesis of a New Class of Reflectionless Filter Prototypes

Matthew A. Morgan, Tod A. Boyd

arxiv:1008.3502 v1 · 2010-08-20 · 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{RTYNMW4PXRL46OOFL5T6WW7FP3}

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	2026-05-18T04:42:02.261107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cf0d65b8fbc57cf39c55f67eb5be57ecb014b603e5cf74c84b7bad8ca42036c

Aliases

arxiv: 1008.3502 · arxiv_version: 1008.3502v1 · doi: 10.48550/arxiv.1008.3502 · pith_short_12: RTYNMW4PXRL4 · pith_short_16: RTYNMW4PXRL46OOF · pith_short_8: RTYNMW4P

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/RTYNMW4PXRL46OOFL5T6WW7FP3 \
  | 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: 8cf0d65b8fbc57cf39c55f67eb5be57ecb014b603e5cf74c84b7bad8ca42036c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df2659dbd5f86ddc9989c3361a2fdcbe004e2a33c59e62147ebd2f92a8be3344",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-08-20T13:49:21Z",
    "title_canon_sha256": "02af07b7eb4a63a24a9402143b11668588e4a096f4d8d630c7e1b07690e989b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3502",
    "kind": "arxiv",
    "version": 1
  }
}