Pith Number

pith:FULW7GC6

pith:2015:FULW7GC6ZZBWRMQRKB2C4Y3RLH

not attested not anchored not stored refs pending

Bandpass calibration of a wideband spectrometer using coherent pulse injection

Justin D. Bray, Nipanjana Patra, Paul Roberts, Ron D. Ekers

arxiv:1502.05862 v5 · 2015-02-20 · 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{FULW7GC6ZZBWRMQRKB2C4Y3RLH}

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	2026-05-18T00:48:43.345953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d176f985ece4368b21150742e637159d0ab1301b9b833905844187ae4bce5ac

Aliases

arxiv: 1502.05862 · arxiv_version: 1502.05862v5 · doi: 10.48550/arxiv.1502.05862 · pith_short_12: FULW7GC6ZZBW · pith_short_16: FULW7GC6ZZBWRMQR · pith_short_8: FULW7GC6

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/FULW7GC6ZZBWRMQRKB2C4Y3RLH \
  | 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: 2d176f985ece4368b21150742e637159d0ab1301b9b833905844187ae4bce5ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eca78691b49113bd224d6d24bae86fca5f649ca0b2a78ecffe3ed9ade20988f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-02-20T12:56:11Z",
    "title_canon_sha256": "be3d076cac998e5c47c4c66bd585947773053bd7d97daee6776d5ee0518aa612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05862",
    "kind": "arxiv",
    "version": 5
  }
}