Pith Number

pith:6IJ6DFQ3

pith:2019:6IJ6DFQ32BDL4WXYXYPI2BYX77

not attested not anchored not stored refs pending

Calibration of Argus and the 4mm Receiver on the GBT

Amanda Kepley (NRAO), Andrew I. Harris (University of Maryland), David T. Frayer, Galen Watts (Green Bank Observatory), Jialu Li, Ronald J. Maddalena, Steven White

arxiv:1906.02307 v1 · 2019-06-05 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IJ6DFQ32BDL4WXYXYPI2BYX77}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:44:01.627832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f213e1961bd046be5af8be1e8d0717ffc996d0c143a7c09dae4115f4c1139977

Aliases

arxiv: 1906.02307 · arxiv_version: 1906.02307v1 · doi: 10.48550/arxiv.1906.02307 · pith_short_12: 6IJ6DFQ32BDL · pith_short_16: 6IJ6DFQ32BDL4WXY · pith_short_8: 6IJ6DFQ3

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/6IJ6DFQ32BDL4WXYXYPI2BYX77 \
  | 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: f213e1961bd046be5af8be1e8d0717ffc996d0c143a7c09dae4115f4c1139977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0da8706e5c3aad18ef6f8e411bbb61f281069ae6aa81b36621441ee8081f6ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-06-05T20:55:08Z",
    "title_canon_sha256": "d3bf052954081335e5ec1f0e8e50b8fb2665372eed5af85ac1dc44fcacf09954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02307",
    "kind": "arxiv",
    "version": 1
  }
}