Pith Number

pith:WQTMHGTK

pith:2017:WQTMHGTKNB6CXFHAL7GC3P7Y2F

not attested not anchored not stored refs pending

A Next Generation Low Band Observatory: A Community Study Exploring Low Frequency Options for ngVLA

Brian Hicks, Emil Polisensky, Frank Schinzel, Greg Taylor, Jason Kooi, Jayce Dowell, Joe Malins, Kevin Stovall, Namir Kassim, Simona Giacintucci, Tracy Clarke, Wendy Peters

arxiv:1708.00090 v2 · 2017-07-31 · 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{WQTMHGTKNB6CXFHAL7GC3P7Y2F}

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	2026-05-18T00:38:13.482978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b426c39a6a687c2b94e05fcc2dbff8d161853cb91f29090f115c8d47ec91deee

Aliases

arxiv: 1708.00090 · arxiv_version: 1708.00090v2 · doi: 10.48550/arxiv.1708.00090 · pith_short_12: WQTMHGTKNB6C · pith_short_16: WQTMHGTKNB6CXFHA · pith_short_8: WQTMHGTK

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/WQTMHGTKNB6CXFHAL7GC3P7Y2F \
  | 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: b426c39a6a687c2b94e05fcc2dbff8d161853cb91f29090f115c8d47ec91deee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3acdac74c6937df0b4fa1f2960513b3eda85130caafc4a4adf48e6829f5be46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-07-31T22:35:45Z",
    "title_canon_sha256": "f087e49ba552529655842f605b48ff716ff98be7a4d73f24e32287c6e84f934f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00090",
    "kind": "arxiv",
    "version": 2
  }
}